Two young boys, both wearing swim trunks and a shirt, are playing in the ocean.
Two boys are playing with a beach ball in the ocean.
Just because two boys are playing in the ocean, it cannot be assumed that they are playing with a beach ball.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_ocean(x7) & in(e2,x7) & Actor(e2,x1) & v_play(e2) & rel(x1,x2) & Time(x2,x6) & n_both(x6) & subset_of(x5,x2) & n_shirt(x5) & subset_of(x3,x2) & n_trunk(x3) & of(x3,x4) & n_swim(x4) & Actor(e1,x3) & v_wear(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_ocean(x4) & in(e1,x4) & with(e1,x2) & n_ball(x2) & of(x2,x3) & n_beach(x3) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & card_eq_2(x1))