A boy on a skateboard is riding on a stone wall
The boy is outside.
Sentence 1: A boy on a skateboard is riding on a stone wall Sentence 2: The boy is outside.
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_wall(x3) & of(x3,x4) & n_stone(x4) & Actor(e1,x1) & v_ride(e1) & on(x1,x2) & n_skateboard(x2) & n_boy(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))