A well dressed man in a suit plays piano for the band.
A sloppy teenager players the piano for the band.
The piano player is a well dressed man and not a sloppy teenager.
exists e1 e2 x1 x2 x3 x4.(n_band(x4) & for(e2,x4) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & n_piano(x3) & in(x1,x2) & n_suit(x2) & n_man(x1) & Theme(e1,x1) & v_dress(e1) & r_well(x1))
exists s1 x1 x2 x3 x4.(n_band(x4) & a_topic(x1) & for(x1,x4) & n_piano(x3) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_teenager(x2) & a_sloppy(s1) & Theme(s1,x1))