Two men are working on bicycles.
Two men are working.
Working on bicycles is a form of "working"
exists e1 x1 x2.(on(e1,x2) & n_bicycle(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))