We 're going to Disneyland for her birthday , maybe bringing Ali and Ron and Blake if they can all make it . If not it will be just a mom dad and munchkin trip , unless I can convince some of my family to come with . Yay Holiday Disney ! !

Options are:
[I] The narrator 's daughter is 13 and feels she is too old for Disney .;
[II] She is 20 and works as a princess at Disney .;
[III] None of the above choices .;
[IV] The narrator 's daughter is under 10 and would love a trip to Disney .;
Q: How old is the narrators daughter ?
[IV]