There is a group of five men in dark blue outfits and one is playing an accordion.
The men are a band of musicians.
One man playing an accordion does not equal a band of musicians.
exists e1 p1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_accordion(x3) & n_thing(x2) & card_eq_1(x2) & exists s1 s2 x4 x5 x6.((x1 = x4) & of(x4,x5) & in(x5,x6) & n_outfit(x6) & a_blue(s2) & Theme(s2,x6) & a_dark(s1) & Theme(s1,x6) & n_man(x5) & card_eq_5(x5) & n_group(x4)))
exists p1 x1.(n_man(x1) & exists x2 x3.((x1 = x2) & of(x2,x3) & n_musician(x3) & n_band(x2)))