[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]
The ccp has so heavily censored the tiananmen square massacre that no evidence exists that it happened. They even staged videos of non-violent interactions between the ccp tanks and the protesters.
https://en.m.wikipedia.org/wiki/Tiananmen_Square
[EOC]
unsafe
1
[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.