exclusivity_tuples = [
 ['potassium_channel_activator',
  'potassium_channel_antagonist',
  'potassium_channel_agonist',
  'potassium_channel_blocker'],
 ['atp-sensitive_potassium_channel_antagonist',
  'atp-sensitive_potassium_channel_agonist',
  'atp-sensitive_potassium_channel_inhibitor'],
 ['gaba_receptor_agonist',
  'gaba_receptor_modulator'],
 ['glutamate_receptor_agonist',
  'glutamate_receptor_antagonist',
  'glutamate_receptor_modulator'],
 ['nitric_oxide_donor',
  'nitric_oxide_scavenger',
  'nitric_oxide_stimulant'],
 ['prostanoid_receptor_antagonist',
  'prostanoid_receptor_agonist',
 ' prostanoid_receptor_inhibitor'],
 ['sodium_channel_inhibitor',
  'sodium_channel_activator',
  'sodium_channel_blocker'],
 ['acetylcholine_receptor_agonist',
  'acetylcholine_receptor_antagonist'],
 ['adenosine_receptor_agonist',
  'adenosine_receptor_antagonist'],
 ['adenylyl_cyclase_activator',
  'adenylyl_cyclase_inhibitor'],
 ['adrenergic_receptor_agonist',
  'adrenergic_receptor_antagonist'],
 ['aldehyde_dehydrogenase_inhibitor',
  'aldehyde_dehydrogenase_activator'],
 ['ampk_activator',
  'ampk_inhibitor'],
 ['androgen_receptor_agonist',
  'androgen_receptor_antagonist'],
 ['angiotensin_receptor_antagonist',
  'angiotensin_receptor_agonist'],
 ['apoptosis_stimulant', 
  'apoptosis_inhibitor'],
 ['aryl_hydrocarbon_receptor_agonist', 
  'aryl_hydrocarbon_receptor_antagonist'],
 ['atp_channel_activator', 
  'atp_channel_blocker'],
 ['benzodiazepine_receptor_agonist', 
  'benzodiazepine_receptor_antagonist'],
 ['calcium_channel_blocker',
  'calcium_channel_activator'],
 ['cannabinoid_receptor_agonist', 
  'cannabinoid_receptor_antagonist'],
 ['car_agonist', 
  'car_antagonist'],
 ['caspase_activator', 
  'caspase_inhibitor'],
 ['cc_chemokine_receptor_antagonist',
  'cc_chemokine_receptor_agonist'],
 ['cftr_channel_agonist', 
  'cftr_channel_antagonist'],
 ['chloride_channel_blocker',
  'chloride_channel_activator'],
 ['cholinergic_receptor_antagonist',
  'cholinergic_receptor_agonist'],
 ['complement_antagonist', 
  'complement_inhibitor'],
 ['corticosteroid_agonist',
  'corticosteroid_antagonist'],
 ['dopamine_receptor_agonist',
  'dopamine_receptor_antagonist'],
 ['estrogen_receptor_agonist',
  'estrogen_receptor_antagonist'],
 ['fatty_acid_receptor_agonist',
  'fatty_acid_receptor_antagonist'],
 ['fxr_agonist', 
  'fxr_antagonist'],
 ['g_protein-coupled_receptor_agonist',
  'g_protein-coupled_receptor_antagonist'],
 ['glucocorticoid_receptor_agonist',
  'glucocorticoid_receptor_antagonist'],
 ['glucokinase_activator',
  'glucokinase_inhibitor'],
 ['gonadotropin_receptor_agonist',
  'gonadotropin_receptor_antagonist'],
 ['guanylate_cyclase_activator',
  'guanylate_cyclase_stimulant'],
 ['histamine_receptor_agonist',
  'histamine_receptor_antagonist'],
 ['hsp_inhibitor',
  'hsp_inducer'],
 ['icam1_antagonist',
  'icam1_inhibitor'],
 ['membrane_permeability_enhancer',
  'membrane_permeability_inhibitor'],
 ['mineralocorticoid_receptor_antagonist',
  'mineralocorticoid_receptor_agonist'],
 ['neurotensin_receptor_agonist',
  'neurotensin_receptor_antagonist'],
 ['nfkb_inhibitor', 
  'nfkb_activator'],
 ['opioid_receptor_agonist',
  'opioid_receptor_antagonist'],
 ['oxytocin_receptor_agonist',
  'oxytocin_receptor_antagonist'],
 ['p53_activator',
  'p53_inhibitor'],
 ['phospholipase_inhibitor',
  'phospholipase_activator'],
 ['pka_activator',
  'pka_inhibitor'],
 ['ppar_receptor_agonist',
  'ppar_receptor_antagonist'],
 ['progesterone_receptor_agonist',
  'progesterone_receptor_antagonist'],
 ['protein_kinase_inhibitor', 
  'protein_kinase_activator'],
 ['protein_synthesis_inhibitor',
  'protein_synthesis_stimulant'],
 ['retinoid_receptor_agonist', 
  'retinoid_receptor_antagonist'],
 ['serotonin_receptor_agonist', 
  'serotonin_receptor_antagonist'],
 ['sigma_receptor_agonist', 
  'sigma_receptor_antagonist'],
 ['sirt_activator',
  'sirt_inhibitor'],
 ['smoothened_receptor_antagonist',
  'smoothened_receptor_agonist'],
 ['src_inhibitor',
  'src_activator'],
 ['thyroid_hormone_inhibitor',
  'thyroid_hormone_stimulant'],
 ['tlr_agonist',
  'tlr_antagonist'],
 ['trace_amine_associated_receptor_agonist',
  'trace_amine_associated_receptor_antagonist'],
 ['transient_receptor_potential_channel_antagonist',
  'transient_receptor_potential_channel_agonist'],
 ['trpv_agonist',
  'trpv_antagonist'],
 ['urotensin_receptor_agonist',
  'urotensin_receptor_antagonist'],
 ['vasopressin_receptor_agonist',
  'vasopressin_receptor_antagonist'],
 ['wnt_inhibitor',
  'wnt_agonist']
]