People are walking along side a market.
They are at the market.
People are they.
exists e1 x1.(all x2.(n_market(x2) -> exists x3.(along(e1,x3) & for(x3,x2) & n_side(x3))) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists p1 x1 x2.(n_market(x2) & n_thing(x1) & at(x1,x2))