A troupe of dancers performs in a parade.
The elephants danced around the mall.
Dancers and elephants are different.
exists e1 x1 x2 x3.(in(e1,x3) & n_parade(x3) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & n_dancer(x2) & n_troupe(x1))
exists e1 x1 x2.(n_mall(x2) & n_elephant(x1) & around(e1,x2) & Actor(e1,x1) & v_dance(e1))