A Young child is throwing a big rock into a body of water.
The young kid is playing in the water.
A child is a kid, and "throwing a big rock into a body of water" indicates he is playing 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_child(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_water(x2) & n_kid(x1) & a_young(s1) & Theme(s1,x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))