Africans huddle around looking down.
the pigs eat sharks
africans is contradictory to pigs and sharks
exists e1 e2 s1 x1.(ne_nam_africans(x1) & around(e1,e2) & a_down(s1) & Manner(e2,s1) & Actor(e2,x1) & v_look(e2) & Actor(e1,x1) & v_huddle(e1))
exists e1 x1 x2.(n_pig(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_shark(x2))