A woman is preparing food at the store.
A woman is eating at the store.
A woman preparing food implies the making of food, not the eating of food.
exists e1 x1 x2 x3.(n_store(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_food(x2) & n_woman(x1))
exists e1 x1 x2.(n_store(x2) & at(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_woman(x1))