instruction:
In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
question:
Riley landed a job at the bank, so they started a party. 
Question: Why did Riley do this?
answer:
get drunk


question:
I'm sure you can figure out the rest from here , a lengthy decline in fitness capped off with a radical shift in metabolism when I hit 40 years of age . I am now 47 , morbidly obese and damn tired of it . About a year and a half ago I revisited some of the research and plans I had followed in my more fit years and used it as a jumping off point to find the perfect formula for a highly efficient method of losing weight while increasing strength , endurance , and flexibility . These traits are what I now desire for my performance standards . 
Question: Why am I morbidly obese ?
answer:
Because I regularly consume more calories than I burn .


question:
Poor Nati was up all night screaming in pain . She still hasn't cut any teeth and I think probably a few are moving around now . I rocked her and loved on her as much as I could . I have an amber teething necklace for her , gave her teething tabs and some motrin when it got really bad . 
Question: What may cause Nati to be up crying in pain ?
answer:

Nati is sore due to teething