A spotted dog, a black dog, and a puppy converging on a tennis ball.
The trio of canines are eating.
Eating and converging are two different things.
exists s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_topic(x1) & rel(x1,x2) & subset_of(x4,x2) & on(x4,x5) & n_ball(x5) & of(x5,x6) & n_tennis(x6) & n_converging(x4) & a_puppy(s3) & Theme(s3,x4) & subset_of(x3,x2) & n_dog(x3) & a_black(s2) & Theme(s2,x3) & n_dog(x1) & a_spotted(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_trio(x1) & Actor(e1,x1) & v_eat(e1) & of(x1,x2) & n_canine(x2))