two young boys making silly faces.
The two boys look very solemn.
Silly and solemn are antonyms.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_face(x2) & a_silly(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 p1 x1.(n_boy(x1) & card_eq_2(x1) & exists s1.(r_very(s1) & Theme(s1,x1) & a_solemn(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1))