A man in a white shirt, blue jeans, and open-toed sandals is sitting on a subway seat.
A man sits on the bus.
either the man is sitting on the bus or in the subway seat but not both at the same time
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(on(e1,x6) & n_seat(x6) & of(x6,x7) & n_subway(x7) & Actor(e1,x1) & v_sit(e1) & subset_of(x5,x1) & n_sandal(x5) & a_open-toed(s3) & Theme(s3,x5) & subset_of(x2,x1) & in(x2,x3) & rel(x3,x4) & n_jeans(x4) & a_blue(s2) & Theme(s2,x4) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & n_man(x2))
exists e1 x1 x2.(n_bus(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))