Two boys wearing life jackets on a boat.
Two sad boys wearing life jackets on a boat.
It is not necessarily true the boys are sad.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x4) & n_boat(x4) & n_jacket(x1) & of(x1,x3) & n_life(x3) & Actor(e1,x1) & v_wear(e1) & of(x1,x2) & n_boy(x2) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x4) & n_boat(x4) & n_jacket(x1) & of(x1,x3) & n_life(x3) & Actor(e1,x1) & v_wear(e1) & of(x1,x2) & n_boy(x2) & a_sad(s1) & Theme(s1,x1) & card_eq_2(x1))