A dog jumps to catch a toy.
A dog is playing with a toy.
dog jumps to catch a toy shows that dog is playing with a toy.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_toy(x2)) & n_dog(x1))
exists e1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))