Three people biking on a path with grass on either side of the path.
Three people are biking on a path.
both subjects are biking
exists e1 x1 x2 x3 x4.(a_topic(x1) & all x5.(n_side(x5) -> (with(e1,x4) & on(x4,x5) & of(x5,x3))) & n_path(x3) & n_path(x3) & n_grass(x4) & on(e1,x3) & Actor(e1,x2) & v_bike(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(on(e1,x2) & n_path(x2) & Actor(e1,x1) & v_bike(e1) & n_people(x1) & card_eq_3(x1))