Boys are playing near water and one of them is jumping.
Boys play and one of them jumps.
Only one boy is jumping.
exists e2 e1 x1 x2 x3.(Actor(e2,x3) & v_jump(e2) & of(x3,x1) & n_thing(x1) & n_thing(x3) & card_eq_1(x3) & near(e1,x2) & n_water(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))
exists e1 e2 x1 x2.(Actor(e2,x2) & v_jump(e2) & of(x2,x1) & n_thing(x1) & n_thing(x2) & card_eq_1(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))