Many people participate in a benefit walk on a public roadway.
People are walking.
Participating in a benefit walk entails walking.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & on(x2,x4) & n_roadway(x4) & a_public(s1) & Theme(s1,x4) & n_walk(x2) & of(x2,x3) & n_benefit(x3) & Actor(e1,x1) & v_participate(e1) & n_people(x1) & n_quantity(x1))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_people(x1))