def initialize(cls, session):
'''
Create basic terms.
'''
word = Term('word', _bootstrap=True)
session.add(word)
session.commit()
word.term_type = word
session.commit()
verb = Term('verb', ttype=word, bases=(word,))
session.add(verb)
noun = Term('noun', ttype=word, bases=(word,))
session.add(noun)
number = Term('number', ttype=word, bases=(word,))
session.add(number)
exist = Term('exist', ttype=verb, bases=(word,),
objs={'subj': word})
session.add(exist)
endure = Term('endure', ttype=verb, bases=(exist,),
objs={'since_': number, 'till_': number})
session.add(endure)
exclusive_endure = Term('exclusive-endure', ttype=verb, bases=(endure,))
session.add(exclusive_endure)
occur = Term('occur', ttype=verb, bases=(exist,),
objs={'at_': number})
session.add(occur)
happen = Term('happen', ttype=verb, bases=(occur,))
session.add(happen)
time = Term('time', ttype=verb, bases=(exist,),
objs={'subj': number})
session.add(time)
thing = Term('thing', ttype=noun, bases=(word,))
session.add(thing)
finish = Term('finish', ttype=verb, bases=(occur,),
objs={'subj': thing, 'what': exist})
session.add(finish)
time = Time()
session.add(time)
session.commit()
