A father is carrying his son on his shoulders as the son makes a funny face.
An adult carries a child.
A father carrying his son implies that the man is an adult who carries a child.
exists e1 p1 x1 x2 x3.(exists e2 s1 x4.(Theme(e2,x4) & Actor(e2,x2) & v_make(e2) & n_face(x4) & a_funny(s1) & Theme(s1,x4)) & n_son(x2) & n_son(x2) & as(e1,p1) & on(e1,x3) & n_shoulder(x3) & of(x3,x1) & n_male(x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & of(x2,x1) & n_father(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_child(x2) & n_adult(x1))