a young boy is bowling at a bowling alley.
A boy playing a sport
WE have no idea if the boy is playing a sport or something else.
exists e1 s1 x1 x2 x3.(at(e1,x2) & n_alley(x2) & of(x2,x3) & n_bowling(x3) & Actor(e1,x1) & v_bowl(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_sport(x3) & (x1 = x2) & n_boy(x1))