A group of women wearing all black uniforms play various stringed instruments.
They are wearing white.
If their uniforms are all black then there would be no white.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_instrument(x4) & a_stringed(s2) & Theme(s2,x4) & a_various(s1) & Theme(s1,x4) & of(x1,x2) & all x5 s3.((n_uniform(x5) & a_black(s3) & Theme(s3,x5)) -> exists e2.(Theme(e2,x5) & Actor(e2,x3) & v_wear(e2))) & (x2 = x3) & n_woman(x2) & n_group(x1))
exists e1 p1 x1.(n_thing(x1) & exists s1.(Theme(s1,x1) & a_white(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_wear(e1))