A man and woman are washing dishes.
Humans wash dishes.
Humans denotes a man and in a both sentence humans are washing dishes.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_wash(e1) & n_dish(x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2.(Actor(e1,x1) & v_dish(e1) & n_wash(x1) & (x1 = x2) & ne_nam_humans(x2))