A black gentleman is dancing on a tile floor.
A man dances on tile flooring.
a black gentleman dancing is a man that dances
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_floor(x2) & a_tile(s2) & Theme(s2,x2) & Actor(e1,x1) & v_dance(e1) & n_gentleman(x1) & a_black(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_flooring(x2) & a_tile(s1) & Theme(s1,x2) & Actor(e1,x1) & v_dance(e1) & n_man(x1))