500
从前有两个好朋友,一个长得很胖,大家都叫他胖子;一
个长得很瘦,大家都叫他瘦子。他们住在一个城市里。
What does this sentence mean?
Once upon a time, there are two good friends. One is a little bit fat, people call him fat person; another one is a little skinny, people call him skinny person. They all live in one city.