A dancer in a black costume leaps while holding a purple balloon.
a dancer sits down by the pool
Leaps and sits are different.
(x)
exists e1 s1 x1 x2.(n_pool(x2) & by(e1,x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_dancer(x1))