Prolog help

Question

Consider the below portion of a Prolog program from class:
female(mary).
female(betty).

male(tom). 
male(jim). 
male(alex).

parent(tom, jim). 
parent(betty, jim). 
parent(tom, alex).
parent(mary, alex). 

mother(M, C) :- parent(M, C), female(M).

Draw (on a piece of paper, or using whatever software you please) then submit the derivation tree for the query: 
?- mother(M, alex).

Answer 1

Is it your homework ?

Answer 2

Yes