new_contents: from flask_ui import db
  
  
  
  class Group(db.Model):
  	__tablename__ = 'Groups'
  	id = db.Column(db.Integer, primary_key=True)
  	name = db.Column(db.String(30))
  
  
  class User(db.Model):
  	__tablename__ = 'Users'
  	id = db.Column(db.Integer, primary_key=True)
  	name = db.Column(db.String(60))
  
  
  class Tag(db.Model):
  	__tablename__ = 'Tags'
  	id = db.Column(db.Integer, primary_key=True)
  	name = db.Column(db.String(20), unique=True)
  	group_id = db.Column(db.Integer, db.ForeignKey('Group.id'))
  
  
  class Project(db.Model):
  	__tablename__ = 'Projects'
  	id = db.Column(db.Integer, primary_key=True)
  	name = db.String(30)
  
  
  class Question(db.Model):
  	__tablename__ = 'Questions'
  	id = db.Column(db.Integer, primary_key=True)
  	name = db.Column(db.String(20), unique=True)
  	text = db.Column(db.Text)
  
  
  class Answer(db.Model):
  	__tablename__ = 'Answers'
  	id = db.Column(db.Integer, primary_key=True)
  
subject: Add a basic database model