#judge if is high eneagement, return boolean value, True if engagement is high
def Engagement()
#judge if is informal or not, return boolean value, True if it is informal
def Informality()
#judge if is situated, return boolean vaule, True if situatedness is nearby, Flase is for far alway remoteness
def Situatedness()

three functions added
#test high engagement(true is high engagement)
#test informality(true is informal)
#test situated distance
 three test added to test functions modular(successfully)