Two people street cleaning by hand and with machine.
The street is big.
Big or small street can be cleaned.
exists x1 x2 x3 x4 x5 x6.(a_topic(x5) & with(x5,x6) & n_machine(x6) & n_people(x5) & card_eq_2(x5) & a_topic(x3) & n_street(x3) & Time(x3,x4) & n_cleaning(x4) & n_people(x3) & card_eq_2(x3) & by(x2,x1) & n_people(x2) & card_eq_2(x2) & n_hand(x1))
exists s1 x1.(n_street(x1) & Theme(s1,x1) & a_big(s1))