A group of people are congregated and a few of them are waiving black, red and yellow flags.
All of the flags are solid blue.
Black red and yellow flags are not solid blue.
exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_waive(e2) & n_flag(x4) & a_yellow(s4) & Theme(s4,x4) & a_red(s3) & Theme(s3,x4) & a_,(s2) & Theme(s2,x4) & a_black(s1) & Theme(s1,x4) & of(x3,x1) & n_thing(x1) & n_few(x3) & Theme(e1,x1) & v_congregate(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x2.(n_flag(x2) & all x1.(n_thing(x1) -> exists p1.(exists s1 x3.((x1 = x3) & n_blue(x3) & a_solid(s1) & Theme(s1,x3)) & of(x1,x2))))