Two children holding up peace signs and smiling.
Two children frown with their arms crossed.
Smiling is not the same action as to frown.
exists e1 e2 s1 x1 x2 x3 x4.(Actor(e2,x4) & v_smile(e2) & n_child(x4) & card_eq_2(x4) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_sign(x2) & of(x2,x3) & n_peace(x3) & n_child(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & Theme(e2,x4) & v_cross(e2) & (x3 = x4) & n_arm(x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & v_frown(e1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))