a young boy is bowling at a bowling alley.
A boy is in a bowling competition.
Just because a young boy is bowling at an alley doesn't mean there is a bowling competition.
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 p1 x1.(exists x2 x3.(in(x1,x2) & n_competition(x2) & of(x2,x3) & n_bowling(x3)) & n_boy(x1))