A skateboarder does a kickflip along the train tracks.
A walker is walking.
kickflip is not the same as walking
exists e1 x1 x2 x3 x4.(n_track(x3) & of(x3,x4) & n_train(x4) & along(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_kickflip(x2) & n_skateboarder(x1))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_walker(x1))