A well dressed man in a suit plays piano for the band.
A man is playing piano.
Plays piano means the same as is playing piano.
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 e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_piano(x2) & n_man(x1))