Dog training on the mountain
A cat is training on a mountain
Either that's a dog or a cat.
exists x1 x2 x3.(n_mountain(x3) & a_topic(x1) & on(x1,x3) & n_training(x1) & (x1 = x2) & ne_nam_dog(x2))
exists e1 x1 x2.(on(e1,x2) & n_mountain(x2) & Actor(e1,x1) & v_train(e1) & n_cat(x1))