A white man on a subway reading a magazine sitting between two men of Middle East ethnicity.
Everyone is in a bus.
The man on the subway cannot be on a bus at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(x1) & on(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_read(e2) & between(e1,x6) & of(x6,x7) & n_ethnicity(x7) & (x7 = x9) & ne_geo_east(x9) & (x7 = x8) & ne_geo_middle(x8) & n_man(x6) & card_eq_2(x6) & Actor(e1,x5) & v_sit(e1) & (x4 = x5) & n_magazine(x4) & (x2 = x3) & n_subway(x2) & n_man(x1) & a_white(s1) & Theme(s1,x1))
all x1.(n_person(x1) -> exists p1 x2.(in(x1,x2) & n_bus(x2)))