The two children are in the bed with comic books.
The children are in the bed with books.
Children refers to more than one child (possibly two) and if they have books in bed, and they could be comic books.
exists p1 x1 x2.(n_bed(x2) & n_child(x1) & card_eq_2(x1) & exists s1 x3.(in(x1,x2) & with(x2,x3) & n_book(x3) & a_comic(s1) & Theme(s1,x3)))
exists p1 x1 x2.(n_bed(x2) & n_child(x1) & exists x3.(in(x1,x2) & with(x2,x3) & n_book(x3)))