Task: Question Answering
Input (English): Passage: I wanted to order pizza from my phone , but I did n't have the app I needed to do it , so I went into the app store and downloaded the Domino 's pizza app . Once it finished downloading , I entered to login information I already had from the account I used to order from my computer . I picked out what I wanted : A pepperoni thin crust pizza , A chicken bacon ranch sandwich , and chicken alfredo pasta . I waited 30 minutes , but the pizza was n't delivered , so I logged back into the app . The app said that the pizza was on its way with the delivery driver . I waited another ten minutes , and heard a knock at the door . I answered the door , took the food , signed the receipt , and then took my food inside and set the table to eat . Question: When did they give a tip? Option1: Before downloading app Option2: When driver arrived
Output (English): When driver arrived