A person is swimming underwater in a pool.
The swimmer is trying to get something from the bottom of the pool.
Not all person swimming underwater in a pool is trying to get something from the bottom of the pool.
exists e1 x1 x2 x3.(in(e1,x3) & n_pool(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_underwater(x2) & n_person(x1))
exists e1 p1 x1 x3 x4.(n_pool(x4) & n_bottom(x3) & n_swimmer(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_get(e2) & from(x2,x3) & of(x3,x4) & n_thing(x2)))