A group of people are enjoying a birthday celebration, with two cakes.
A person is all alone on their birthday.
A person cannot be all alone if there is a group. A group, by definition, is more than one person.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & with(x3,x5) & n_cake(x5) & card_eq_2(x5) & n_celebration(x3) & of(x3,x4) & n_birthday(x4) & of(x1,x2) & n_people(x2) & n_group(x1))
exists s1 x1 x2.(r_all(s1) & on(s1,x2) & n_birthday(x2) & of(x2,x1) & n_thing(x1) & Theme(s1,x1) & a_alone(s1) & n_person(x1))