A man is shaving in the mirror in a silly fashion .
A woman shaves her beard .
A man is shaving in the mirror in a silly fashion.
A woman shaves her beard.
A person cannot be both a man and a woman.  Women don't have a beard, and therefore would not be shaving ( shaves) it.
A person can not be both a man and a woman . Women do n't have a beard , and therefore would not be shaving ( shaves ) it .