Two people with white helmets on riding in a Yamaha red and black vehicle.
The motorcycle is black with yellow accents.
Is it red and black, or black and yellow - can't be both
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x4) & n_vehicle(x6) & a_black(s2) & Theme(s2,x6) & n_red(x5) & (x5 = x7) & ne_geo_yamaha(x7) & subset_of(x6,x4) & subset_of(x5,x4) & with(x1,x2) & on(x2,x3) & n_riding(x3) & n_helmet(x2) & a_white(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists s1 s2 x1 x2.(n_motorcycle(x1) & with(s1,x2) & n_accent(x2) & a_yellow(s2) & Theme(s2,x2) & Theme(s1,x1) & a_black(s1))