Task: Question Answering
Input (English): Passage: I was about to leave for work in the morning , so I locked up my house to make sure nobody else could come in . First , I needed to set the burglar alarm . I pressed \ \ set alarm \ \ on the keypad by the door , and then keyed in my four digit code . I then took my house key off of the key rack near my door . I went out the door , and pulled it firmly closed . I inserted my house key into the lock , and turned the key to the left until I felt it click . To make sure that the door was locked , I turned the knob and pushed to try to open it . The door did n't open , so I knew it was locked . I put the key back in my pocket and left for work . Question: What did they turn back to the right? Option1: The knob Option2: the key
Output (English): the key