Two men wearing black clothes and hats, one is playing the saxophone and one is playing the trumpet.
Two musicians play blues songs on their instruments.
The men might be playing any kind of songs not just blues songs.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_trumpet(x9) & n_saxophone(x2) & Theme(e3,x9) & Actor(e3,x8) & v_play(e3) & n_thing(x8) & card_eq_1(x8) & rel(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & n_hat(x7) & n_clothes(x6) & subset_of(x7,x5) & subset_of(x6,x5) & a_black(s1) & Theme(s1,x5) & (x3 = x4) & n_man(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_thing(x1) & card_eq_1(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & on(x2,x4) & n_instrument(x4) & of(x4,x1) & n_thing(x1) & n_song(x2) & of(x2,x3) & n_blues(x3) & n_musician(x1) & card_eq_2(x1))