Several young children on an inflatable device.
The kids are eating birthday cake in a restaurant.
The kids cannot play on an inflatable device and at the same time in a restaurant eat cake
exists s1 s2 s3 x1 x2.(a_topic(x1) & on(x1,x2) & n_device(x2) & a_inflatable(s3) & Theme(s3,x2) & n_child(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_kid(x1) & in(e1,x4) & n_restaurant(x4) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_cake(x2) & of(x2,x3) & n_birthday(x3))