A boy playing on an arrangement of stones.
The boy picked up the last of the stone arrangement and threw it, skipping across the lake.
He was playing on the stones, but then described as having picked up the stone
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & of(x3,x4) & n_stone(x4) & n_arrangement(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_boy(x1))
exists e1 e2 e3 s1 x1 x2 x3 x4 x5.(n_lake(x5) & n_thing(x2) & n_boy(x1) & n_arrangement(x3) & of(x3,x4) & n_stone(x4) & n_last(x2) & for(e2,e3) & across(e3,x5) & Actor(e3,x1) & v_skip(e3) & Theme(e2,x2) & Actor(e2,x1) & v_throw(e2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & of(x2,x3))