A small boy stands on a cement stump in a park with his hands on his head.
A boy is on the computer.
Cannot stand on a cement stump at the park while being on the computer.
exists e1 s1 x1 x2 x3 x4 x5 x6.(on(e1,x6) & n_head(x6) & of(x6,x1) & n_male(x1) & n_male(x1) & on(e1,x2) & in(x2,x4) & with(x4,x5) & n_hand(x5) & of(x5,x1) & n_park(x4) & n_stump(x2) & of(x2,x3) & n_cement(x3) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_computer(x2) & on(x1,x2) & n_boy(x1))