A man makes a call on a cellphone.
A man is making a phone call to contact his mother.
Answer :The fact that a man makes a call does not mean he is making a call to contact his mother
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & on(x2,x3) & n_cellphone(x3) & n_call(x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & Topic(x2,p1) & exists e2.(Theme(e2,x4) & Actor(e2,x2) & v_contact(e2)) & n_mother(x4) & of(x4,x1) & n_male(x1) & n_call(x2) & of(x2,x3) & n_phone(x3) & n_man(x1))