A man and woman are washing dishes.
A husband and wife wash dishes from a dinner party.
We don't know that the man and woman are husband and wife.
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 x3 x4 x5 x6.(from(e1,x5) & n_party(x5) & of(x5,x6) & n_dinner(x6) & Actor(e1,x1) & v_dish(e1) & subset_of(x3,x1) & Time(x3,x4) & n_wash(x4) & n_wife(x3) & subset_of(x2,x1) & n_husband(x2))