Three young boys are jumping and playing in the hay.
jumping is the part of playing
Jumping and playing does not necessarily mean that jumping is part of the playing.
exists e2 e1 s1 s2 x1 x2 x3.(n_hay(x3) & in(e2,x3) & Actor(e2,x2) & v_play(e2) & n_boy(x2) & a_young(s2) & Theme(s2,x2) & card_eq_3(x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists p1 x1 x2.(n_part(x2) & exists e1 x3.((x1 = x2) & Actor(e1,x3) & v_play(e1) & (x2 = x3)) & n_jump(x1))