Two workers with yellow hard hats and blue working clothes are cleaning a parking lot.
Two people at work
two people who are working are considered workers.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_clean(e2) & n_lot(x5) & of(x5,x6) & n_parking(x6) & subset_of(x4,x1) & n_clothes(x4) & Actor(e1,x4) & v_work(e1) & a_blue(s3) & Theme(s3,x4) & subset_of(x2,x1) & with(x2,x3) & n_hat(x3) & a_hard(s2) & Theme(s2,x3) & a_yellow(s1) & Theme(s1,x3) & n_worker(x2) & card_eq_2(x2))
exists x1 x2.(a_topic(x1) & at(x1,x2) & n_work(x2) & n_people(x1) & card_eq_2(x1))