The boy is going to dive in the river.
The boy is going to dive in the swimming pool.
cant dive in a swimming pool and a river at the same time
exists e1 x1 x2 x3.(n_river(x3) & n_boy(x1) & in(e1,x3) & to(e1,x2) & n_dive(x2) & Actor(e1,x1) & v_go(e1))
exists e1 x1 x2 x3 x4.(n_pool(x3) & of(x3,x4) & n_swimming(x4) & n_boy(x1) & in(e1,x3) & to(e1,x2) & n_dive(x2) & Actor(e1,x1) & v_go(e1))