old_contents: 
  def MLE_surv(Forecast, Y, C):
      return - C * Forecast.log_prob(Y) + (1 - Forecast.cdf(Y)).log() * (1 - C)
  
  def CRPS_surv(Forecast, Y, C):
      return 0
  
  
new_contents: 
  def MLE_surv(Forecast, Y, C):
      return - (1 - C) * Forecast.log_prob(Y) + (1 - Forecast.cdf(Y)).log() * C
  
  def CRPS_surv(Forecast, Y, C):
      return 0
  
  
subject: fix loss