A woman is walking by a Mexican restaurant
A woman is having lunch in a Chinese restaurant.
A Mexican restaurant can't be a Chinese restaurant.
exists e1 s1 x1 x2.(by(e1,x2) & n_restaurant(x2) & a_mexican(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_restaurant(x3) & a_chinese(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_lunch(x2) & n_woman(x1))