The three boys who are wearing life jackets are looking into the water.
Boys are near water
boys can be looking into water only if boys are near water
exists e1 e2 x1 x2 x3 x4 x5.(n_water(x5) & n_boy(x1) & card_eq_3(x1) & into(e2,x5) & Actor(e2,x1) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & of(x3,x4) & n_life(x4) & (x1 = x2))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_water(x2) & a_near(s1) & Theme(s1,x2)) & n_boy(x1))