a russian spy within US congress being investigated by the CIA. in this situaiton the russian spy is the original conspiracy, the CIA would be the contraspiracy of the original conspiracy.
A difference: without oneside, there is no other side.
if there was no contrast, there would only be apathy
contrast:
If there was no evil how would we know what good is?
If there was no failure how would we know what success is?
... happy and sad ... up and down
etc
A woman is who not interested in getting married and having babies. She owuld rather have a good career, have fun, stay single for as long as possible and isn't interested in finding 'Mr Right'. Contrasexuals are the opposite Bridget Jones.