A young boy throws a big rock into a body of water.
The boy sees the rock splash in the water.
A young boy throws a big rock into a body of water, would at the same moment be a boy that sees the rock splash in the water.
exists e1 s1 s2 x1 x2 x3 x4.(into(e1,x3) & of(x3,x4) & n_water(x4) & n_body(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_rock(x2) & a_big(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_water(x4) & n_splash(x2) & of(x2,x3) & n_rock(x3) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_see(e1) & in(x2,x4))