Two adults and a small child washing hands.
Two adults and a small child are washing their hands after dinner.
Just because adults and a small child are washing hands doesn't imply after dinner.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_wash(e1) & n_hand(x4) & (x2 = x3) & n_child(x2) & a_small(s2) & Theme(s2,x2) & subset_of(x1,s1) & n_adult(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5.(after(e1,x5) & n_dinner(x5) & Theme(e1,x4) & Actor(e1,x1) & v_wash(e1) & n_hand(x4) & of(x4,x2) & n_thing(x2) & subset_of(x3,x1) & n_child(x3) & a_small(s1) & Theme(s1,x3) & subset_of(x2,x1) & n_adult(x2) & card_eq_2(x2))