[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: Core Principles
2: Spam
3: Manipulation
4: Giveaways or Illegal Activity
5: Content Standards
6: Personal Information
7: Content Theft
8: On Topic Discussion
9: Suitable Titles and Flairs
10: Communicate With The Mod Team

[EOR]
[BOC]
spring sale 3 days left

[EOC]
unsafe
4
[END]

Safe Core Principles Spam Manipulation Giveaways or Illegal Activity Content Standards Personal Information Content Theft On Topic Discussion Suitable Titles and Flairs Communicate With The Mod Team