Children are sitting and playing together on the rocks.
Dogs sitting and playing together on the rocks.
They are either children or dogs.
exists e1 e2 s1 x1 x2 x3.(n_rock(x3) & on(e2,x3) & a_together(s1) & Manner(e2,s1) & Actor(e2,x2) & v_play(e2) & n_child(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1))
exists e1 e2 s1 x1 x2 x3.(n_rock(x3) & on(e2,x3) & a_together(s1) & Manner(e2,s1) & Actor(e2,x2) & v_play(e2) & n_dog(x2) & Actor(e1,x1) & v_sit(e1) & n_dog(x1))