Chinese man preparing food.
A Vietnamese man is throwing away leftovers.
A Chinese and Vietnamese man are differing things. The man cannot be preparing food and throwing away leftovers at the same time.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_prepare(e1) & n_food(x3) & (x1 = x2) & n_man(x1) & a_chinese(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(a_away(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_leftovers(x2) & n_man(x1) & a_vietnamese(s1) & Theme(s1,x1))