People inside a subway car hold on to the rails while people outside the subway car walk away.
People inside public transportation hold on to rails while other people outside walk away.
A subway car is a public transportation.
(x)
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_away(s3) & Manner(e2,s3) & Actor(e2,x1) & v_walk(e2) & inside(x1,x2) & on(x2,x4) & Theme(e1,x6) & Pivot(e1,x5) & r_more(e1) & v_outside(e1) & -(x6 = x1) & n_people(x1) & n_people(x1) & n_people(x6) & (x4 = x5) & n_rail(x4) & a_to(s2) & Theme(s2,x4) & n_hold(x2) & of(x2,x3) & n_transportation(x3) & a_public(s1) & Theme(s1,x2))