Two young men jump on a bridge.
Some people are on a bridge.
Two men are some people.
exists e1 s1 x1 x2.(on(e1,x2) & n_bridge(x2) & Actor(e1,x1) & v_jump(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_bridge(x2)) & n_people(x1))