Several African-American youths are playing on a playground merry-go-round.
Several kids are swimming in a pool.
The kids cannot be in a pool and playing on a playground at the same time.
exists e1 s1 s2 x1 x2 x3.(on(e1,x2) & n_merry-go-round(x2) & of(x2,x3) & n_playground(x3) & Actor(e1,x1) & v_play(e1) & n_youth(x1) & a_african-american(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_swim(e1) & n_kid(x1) & a_several(s1) & Theme(s1,x1))