Four African males are grouped together, looking at something.
Four American women skiing.
males is contradictory to women
exists e2 e1 s1 s2 x1 x2.(for(e1,e2) & at(e2,x2) & n_thing(x2) & Actor(e2,x1) & v_look(e2) & a_together(s2) & Manner(e1,s2) & Theme(e1,x1) & v_group(e1) & n_male(x1) & a_african(s1) & Theme(s1,x1) & card_eq_4(x1))
exists s1 s2 x1 x2.(n_skiing(x1) & a_.(s2) & Theme(s2,x1) & of(x1,x2) & n_woman(x2) & a_american(s1) & Theme(s1,x1) & card_eq_4(x1) & a_topic(x1))