A young girl in sunglasses eating at a restaurant.
A girl is eating pizza.
You can not infer they are eating pizza.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & at(e1,x4) & n_restaurant(x4) & Actor(e1,x3) & v_eat(e1) & (x2 = x3) & n_sunglass(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_pizza(x2) & a_eating(s1) & Theme(s1,x2)) & n_girl(x1))