A man repels down a cliff over water.
a dog howling at the moon
A dog and a man are different creatures.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_repel(e1) & over(x2,x3) & n_water(x3) & n_cliff(x2) & n_man(x1))
exists x1 x2 x3.(n_moon(x3) & a_topic(x1) & at(x1,x3) & n_howling(x1) & of(x1,x2) & n_dog(x2))