A swimmer in the pool at a depth of 3.5 feet.
A swimmer in the pool.
A swimmer must be in the pool in order to be in the pool at a depth of 3.5 feet.
exists x1 x2 x3 x4.(n_pool(x2) & a_topic(x1) & in(x1,x2) & at(x2,x3) & of(x3,x4) & n_foot(x4) & card_eq_3.5(x4) & n_depth(x3) & n_swimmer(x1))
exists x1 x2.(n_pool(x2) & a_topic(x1) & in(x1,x2) & n_swimmer(x1))