Two men face each other in front of purple graffiti.
Two women face each other in front of red graffiti.
Men and women are different gender. Red and purple are different colors.
exists x1.(all x2.(n_other(x2) -> exists e1 s1 x3 x4.(in(e1,x3) & of(x3,x4) & n_graffitus(x4) & a_purple(s1) & Theme(s1,x4) & n_front(x3) & Theme(e1,x2) & Actor(e1,x1) & v_face(e1))) & n_man(x1) & card_eq_2(x1))
exists x1.(all x2.(n_other(x2) -> exists e1 s1 x3 x4.(in(e1,x3) & of(x3,x4) & n_graffitus(x4) & a_red(s1) & Theme(s1,x4) & n_front(x3) & Theme(e1,x2) & Actor(e1,x1) & v_face(e1))) & n_woman(x1) & card_eq_2(x1))