Many dark-haired people are on the subway car.
The dark-haired people are sitting down.
Not everyone on the subway would be sitting down.
exists p1 s1 x1 x2 x3.(n_car(x2) & of(x2,x3) & n_subway(x3) & on(x1,x2) & n_people(x1) & a_dark-haired(s1) & Theme(s1,x1) & n_quantity(x1))
exists e1 s1 s2 x1.(n_people(x1) & a_dark-haired(s1) & Theme(s1,x1) & a_down(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1))