A young boy throwing a ball.
The young boy is bowling
It doesn't specify what sport the boy is attempting such as bowling.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_throw(e1) & n_ball(x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1.(n_boy(x1) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1) & v_bowl(e1))