Two men dressed in slacks, one in brown sweater and one in blue sweater, sweeping.
Two brothers clean up the floor of their mother's house
The two men are not necessarily brothers just because they are together, which means they aren't necessarily sweeping the floor of their mother's house.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & for(e1,e2) & Actor(e2,x2) & v_sweep(e2) & in(e1,x3) & rel(x3,x4) & subset_of(x7,x4) & in(x7,x8) & n_sweater(x8) & a_blue(s2) & Theme(s2,x8) & n_thing(x7) & card_eq_1(x7) & subset_of(x5,x4) & in(x5,x6) & n_sweater(x6) & a_brown(s1) & Theme(s1,x6) & n_thing(x5) & card_eq_1(x5) & n_slacks(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_house(x4) & of(x4,x3) & n_mother(x3) & of(x3,x2) & n_thing(x2) & n_floor(x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & of(x2,x4) & n_brother(x1) & card_eq_2(x1))