There are a group of people in a pool and they have scuba gear on.
Dogs are learning to dive.
The group of people in the pool are not dogs.
exists e1 p1 s1 x1 x2 x3 x4.(a_on(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_gear(x3) & of(x3,x4) & n_scuba(x4) & n_thing(x2) & in(p1,x2) & n_pool(x2) & exists x5 x6.((x1 = x5) & of(x5,x6) & n_people(x6) & n_group(x5)))
exists e1 x1 x2.(to(e1,x2) & n_dive(x2) & Actor(e1,x1) & v_learn(e1) & n_dog(x1))