A boy sitting on a stump.
A boy has stubbed his toe on a stump.
The boy is either sitting on the stump, or he has stubbed his toe on it.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stump(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_stump(x3) & Theme(e1,x2) & Actor(e1,x1) & v_stub(e1) & n_toe(x2) & of(x2,x1) & n_male(x1) & n_boy(x1))