There is no such clear standard. If you don't like sports, walking a few steps may torture you; If you like, running 10 thousand meters is all entertainment. It varies from person to person.

It is forbidden to gather people for entertainment. If there are many people refueling on the shore in the dragon boat race, it will definitely be considered as gathering for entertainment, but it is not a team practice. You go to the gym alone to exercise, not for an entertainment party, nor is there really someone beside you to cheer you on. But I found a bunch of friends to cheer you on, as if I had something happy, so I can't.

There are no laws and regulations. This is a matter of personal quality. Just like you don't tell your friends the truth, you haven't broken the law, but you can't be friends anymore. Mourning day, no legal sanctions, but the quality is very poor. People's consciousness should still be relatively high.