Four boys doing a cannonball jump in unison into the pool.
Four brothers are jumping into a pool to splash their sister
Four boys can be unrelated to each other and jump in the pool just for fun instead of trying to splash their sister.
exists e1 x1 x2 x3 x4 x5 x6.(n_pool(x6) & a_topic(x1) & into(e1,x6) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & in(x3,x5) & n_unison(x5) & n_jump(x3) & of(x3,x4) & n_cannonball(x4) & (x1 = x2) & n_boy(x1) & card_eq_4(x1))
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_splash(e2)) & n_sister(x4) & of(x4,x1) & n_thing(x1) & into(e1,x3) & n_pool(x3) & Actor(e1,x2) & v_jump(e1) & n_brother(x2) & card_eq_4(x2) & n_brother(x1) & card_eq_4(x1))