answer: Carl tells #Person1# low-income people are more likely to get fat because they eat more junk food. #Person1# suggests Carl should eat healthier food and exercise more, and Carl says he started a diet but quitted.
documents: #Person1#: why are there still so many people overweight despite the current fitness craze?
  #Person2#: well, there are certain factors that effect people's size and weight.
  #Person1#: what are they?
  #Person2#: one study said that low-income groups have a higher percentage of over-weight people than higher income families.
  #Person1#: why?
  #Person2#: the survey said that the low, income groups eat more junk food on a daily basis.
  #Person1#: that makes sense. Probably less time to make dinner and the junk food is cheaper.
  #Person2#: and junk food contains lots of fat and oil. There is one final reason why so many people are fat.
  #Person1#: what's that?
  #Person2#: nobody exercises anymore-not even kids! The average american home has the TV on for 6 hours a day!
  #Person1#: wow! No wonder people are so fat. Say, Carl, looks like you could be doing a bit more exercising.
  #Person2#: yeah, I guess so.
  #Person1#: you should consider eating healthier food and getting some more exercise.
  #Person2#: hey, I started a diet and lost 10 pounds.
  #Person1#: so what happened?
  #Person2#: well, I quit and gained it back plus 5 pounds.
  #Person1#: you should have kept trying.