A dog jumps high in the snow.
A dog is trying to catch a ball.
A jumping dog is not always trying to catch a ball.
exists e1 p1 x1 x2.(n_snow(x2) & in(e1,x2) & exists s1.(Theme(s1,x1) & a_high(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_ball(x2)) & n_dog(x1))