Many people participate in a benefit walk on a public roadway.
The walk is a 5k.
Not all walks are a 5K.
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 p1 x1.(n_walk(x1) & exists x2.((x1 = x2) & n_5k(x2)))