Two gentlemen in suits talk while enjoying a drink.
Two gentlemen are talking and drinking because their wives are on vacation.
Two gentlemen in suits talk while enjoying a drink does not mean their wives are on vacation
exists e1 e2 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_enjoy(e2) & n_drink(x3) & Actor(e1,x1) & v_talk(e1) & in(x1,x2) & n_suit(x2) & n_gentleman(x1) & card_eq_2(x1))
exists e1 e2 p1 x1 x2 x3.(exists p2 x4.(on(x3,x4) & n_vacation(x4)) & n_wife(x3) & of(x3,x1) & n_thing(x1) & because(e2,p1) & Actor(e2,x2) & v_drink(e2) & n_gentleman(x2) & card_eq_2(x2) & Actor(e1,x1) & v_talk(e1) & n_gentleman(x1) & card_eq_2(x1))