A man is preparing to throw a bowling ball.
The male has a bowling ball from a garbage can.
If a person is preparing to throw a bowling ball, it doesn't mean the bowling ball is from a garbage can.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_throw(e2) & n_ball(x2) & of(x2,x3) & n_bowling(x3)) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(n_male(x1) & Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & from(x2,x4) & Actor(e1,x5) & v_can(e1) & (x4 = x5) & n_garbage(x4) & n_ball(x2) & of(x2,x3) & n_bowling(x3))