Two men on a motorcycle with buckets and canisters.
two guys were on a motorcycle
men on a motorcycle can be replaced as guys were on a motorcycle
exists x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x3) & subset_of(x5,x3) & n_canister(x5) & subset_of(x4,x3) & n_bucket(x4) & on(x1,x2) & n_motorcycle(x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_motorcycle(x2)) & n_guy(x1) & card_eq_2(x1))