The red flag in the march is next to the person in a green jacket.
The person is wearing a blue jacket.
The person either has a green or blue jacket.
exists s1 s2 s3 x1 x2 x3 x4.(n_person(x3) & n_march(x2) & n_flag(x1) & a_red(s1) & Theme(s1,x1) & to(s2,x3) & in(x3,x4) & n_jacket(x4) & a_green(s3) & Theme(s3,x4) & Theme(s2,x1) & a_next(s2) & in(x1,x2))
exists e1 s1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_jacket(x2) & a_blue(s1) & Theme(s1,x2))