two people are looking off a cliff.
Two people are about to jump.
Looking off of a cliff does not mean they are about to jump.
exists e1 x1 x2.(off(e1,x2) & n_cliff(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & card_eq_2(x1))
exists p1 s1 x1.(Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Actor(e1,x1) & v_jump(e1)) & n_people(x1) & card_eq_2(x1))