A person in a backyard is jumping in the air.
The person is jumping to dunk the ball.
A person may jump for many reasons, not necessarily only to dunk a ball.
exists e1 x1 x2 x3.(n_air(x3) & in(e1,x3) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_backyard(x2) & n_person(x1))
exists e1 p1 x1 x2.(n_ball(x2) & n_person(x1) & Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_dunk(e2)))