A person descends a rope from a cliff into the ocean.
Descends rope from cliff into the ocean.
None - all of the information can be inferred.
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 e1 x1 x2 x3.(n_ocean(x3) & into(e1,x3) & from(e1,x2) & n_cliff(x2) & Actor(e1,x1) & v_rope(e1) & n_descend(x1))