A young boy swings a bat at a large baseball.
The young boy is swinging a large stick.
A boy cannot be swinging a large stick and a bat at the same time.
all x1.(n_bat(x1) -> exists s1 s2 x2 x3 x4.(a_topic(x2) & at(x2,x4) & n_baseball(x4) & a_large(s2) & Theme(s2,x4) & for(x2,x1) & n_swing(x2) & of(x2,x3) & n_boy(x3) & a_young(s1) & Theme(s1,x2)))
exists e1 s1 s2 x1 x2.(n_boy(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_swing(e1) & n_stick(x2) & a_large(s2) & Theme(s2,x2))