A person descends a rope from a cliff into the ocean.
Bats ascends from cave into beach.
Bats and a person are different creatures.  Descends is the opposite of ascends.  A cave and a cliff are different geological features.  The ocean and the beach are different geological features.
exists e1 x1 x2 x3 x4.(n_ocean(x4) & into(e1,x4) & from(e1,x3) & n_cliff(x3) & Theme(e1,x2) & Actor(e1,x1) & v_descend(e1) & n_rope(x2) & n_person(x1))
exists x1 x2 x3 x4.(a_topic(x1) & from(x1,x3) & into(x3,x4) & n_beach(x4) & n_cave(x3) & n_ascend(x1) & of(x1,x2) & n_bat(x2))