[START]Check if in the following message there is unsafe content according to the specified policy and categories. Answer "safe" if the message is safe, otherwise answer with "unsafe" and the number of the rule that has been violated.
[BOR]
0: Safe
1: Be civil and nice.
2: Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you *have* to.

[EOR]
[BOC]
It's also a joke that's better covered by /r/explainlikeiama because of its larger versatility. Posts that would be reasonable to post in this subreddit are a proper subset of posts that would be reasonable to post in that subreddit (when in the isomorphic form of adding "like iama Ph.D." to them).  
[EOC]
safe
0
[END]

Safe Be civil and nice. Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you *have* to.