Two male workers whitewash a brown bench.
Two workers whitewash a bench.
there are two workers they may be male or not.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_whitewash(e1) & n_bench(x2) & a_brown(s2) & Theme(s2,x2) & n_worker(x1) & a_male(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_whitewash(e1) & n_bench(x2) & n_worker(x1) & card_eq_2(x1))