Task: Question Answering
Input (English): Passage: Last week I went to a concert . My favorite band ever , The Arctic Monkeys , were playing a show in Nashville Tennessee . I do n't live near Nashville , so I knew I would have to travel if I wanted to see my favorite band . They were somewhat expensive , but I knew it would be worth it . My friend also bought tickets , and we agreed that we would drive to Nashville together . Once we arrived at Nashville we made our way to the concert . We arrived about an hour early and stood in line , waiting for security to check us and allow us into the venue . Once we were in we waited for the band to come out . First , the " openers " came out , a band that was travelling with the Arctic Monkeys and performing shows with them . It was a great concert and I ca n't wait to go again . Question: When did they buy tickets? Option1: before going Option2: at the concert
Output (English): before going