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: Having a picnic with your friends is one of the best things to do when it 's warm outside . Last Saturday , I had a picnic with my two best friends . It took me a long time to prepare the picnic , but it was worth it . I decided to make sandwiches , potato salad , and chocolate cake . I made simple ham sandwiches with bread , ham , cheese and mustard . I cut each sandwich down the middle and placed them on a plate . Then I prepared the potato salad , using my grandmother 's recipe , and put it in a big bowl . I put that into the basket with the sandwiches . I then found a chocolate cake that I had bought at the grocery store , and put it in the basket . They brought drinks and cups , and we had a very nice afternoon . Question: What did they start preparing? Option1: the chocolate cake Option2: Picnic food
A:
Picnic food