You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to find the correct answer (and return the string of the correct option, not option1/2) for the given question from the given options and based on the given passage. Answer of the question can be found directly from the passage.
Q: Passage: We decided that we wanted to have a party this year for Halloween . We went to the craft store to begin our process in making them . We chose a small square paper to use for our invitation . We picked out a standard envelope to match the length and width of the card . Next , we found some scrap booking materials to design our card . We purchased the items and left the store . In glitter and marker , we wrote , '' Happy Halloween '' on the front . On the inside of the card , we used a marker to write a message . The message indicated that the recipient of the invitation was invited to our party . We sealed the cards and mailed them off to our friends . Question: What kind of card were they making? Option1: birthday party invitation Option2: halloween party invitation
A:
halloween party invitation