5. Consider the predicates M(x), Fx), and P(x, y) in a domain of people. The predicate M(x) states of a person that he is male, the predicate F(r) states of a person that she is female, the predicate P(x,y) states that r is the parent of,y. write a sentence in predicate logic for the following natural languages sentences. (a) Each person has a mother and a father. (b) Not everyone has a brother. (c) Some people have a sister but not a brother. (d) For each mother of a child, there exists another person who is the father of that child. (e) Some fathers have an aunt