A man aboard a red train helps a small child onto it while another person tries to get on.
A man helps a small child onto a train.
A man aboard a red train helps a small child means the same as a man helps a small child onto a train.
exists e1 p1 s1 s2 x1 x2 x3 x4.(n_person(x4) & exists e2 p2 x5.(Topic(e2,p2) & Actor(e2,x5) & v_try(e2) & exists e3 s3.(a_on(s3) & Manner(e3,s3) & Actor(e3,x5) & v_get(e3)) & n_person(x5) & -(x5 = x4)) & while(e1,p1) & onto(e1,x1) & n_thing(x1) & Theme(e1,x3) & Actor(e1,x1) & v_help(e1) & n_child(x3) & a_small(s2) & Theme(s2,x3) & aboard(x1,x2) & n_train(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(onto(e1,x3) & n_train(x3) & Theme(e1,x2) & Actor(e1,x1) & v_help(e1) & n_child(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1))