Crowds walk along the street.
Crowds are walking next to the parade on the street.
The fact that crowds walk along the street does not imply that they are walking next to the parade.
exists e1 x1 x2.(n_street(x2) & along(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_crowd(x1))
exists e1 x1 x2 x3.(n_street(x3) & n_parade(x2) & on(e1,x3) & to(e1,x2) & r_next(e1) & Actor(e1,x1) & v_walk(e1) & n_crowd(x1))