Task: Question Answering
Input (English): Context: 10 minutes later , I was running around mopping up an overflowing toilet , which was backing up into the tub : ( : ( : ( I called Brad again , and they set up an emergency plumber to come help out . I ' m still waiting to hear about that , at 2:40AM . I ' m to call around 3 , to see what time in the morning he 'll be here . 
Question: What is the primary source of the narrator 's deep anxiety ?
Output (English): The narrator is faced with a failing restroom .