Four girls eat breakfast at a convention.
Four girls are sitting at a table.
Eating does not imply sitting at a table.
exists e1 x1 x2 x3.(at(e1,x3) & n_convention(x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_breakfast(x2) & n_girl(x1) & card_eq_4(x1))
exists e1 x1 x2.(at(e1,x2) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_4(x1))