a black and white dog jumping into a pool with a lot of tennis balls in it.
The dogs are running and jumping
The number of dogs isn't known. The dogs aren't necessarily running even though one is jumping.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x1) & n_thing(x1) & with(e1,x4) & of(x4,x5) & n_ball(x5) & of(x5,x6) & n_tennis(x6) & n_lot(x4) & into(e1,x3) & n_pool(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists e2 e1 x1.(n_dog(x1) & Actor(e2,x1) & v_jump(e2) & Actor(e1,x1) & v_run(e1))