Q: 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.
Passage: Last week I have prepared a shopping list along with my mother . We needed some groceries , milk and household items . First we took note of all needed items . Then I added bread , oil , milk and milk products needed for the upcoming week . Then my father had some things to be shopped including his shaving cream , bath liquid and shoe polish . I added them in the list . Then , we discussed for the missing things . Then we found out that we are in shortage of toilet tissues and kitchen towels . I added them in the list too . It was really a good and fun experience to get the shopping list prepared . Question: When did they know what was needed for their house? Option1: when they went to the restaurant Option2: last week
A:
last week