Dogs and their masters gather on a dirt trail.
Trainers walking their dogs on a dirt trail.
trainers is another way to say masters
exists e1 x1 x2 x3 x4 x5.(on(e1,x4) & n_trail(x4) & of(x4,x5) & n_dirt(x5) & Actor(e1,x1) & v_gather(e1) & subset_of(x3,x1) & n_master(x3) & of(x3,x2) & n_thing(x2) & subset_of(x2,x1) & n_dog(x2))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x4) & n_trail(x4) & of(x4,x5) & n_dirt(x5) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_dog(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_trainer(x1))