A young boy throwing a ball.
The young boy is wearing a baseball uniform.
The boy is not wearing a baseball uniform just because he is throwing a ball.
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 x2 x3.(n_boy(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_uniform(x2) & of(x2,x3) & n_baseball(x3))