Analyse the following statements about the sentence “She

Analyse the following statements about the sentence “She ____ come to the party if she wants”:

I. If the gap is filled with “can” it means the subject has permission to go to the party.
II. Completing the sentence with “should” implies an obligation.
III. “Might” can be used to complete the gap and convey the idea that the subject is not sure about going to the party.

Which ones are correct?