[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 nice and; have fun
2: All posts must end with a '?'
3: No spam
4: NSFW is okay, within reason
5: This is not a support community.

[EOR]
[BOC]
Subbed him in for Howard late for free throw purposes and then subbed him off for Howard for defensive purposes. 
[EOC]
safe
0
[END]

Safe Be nice and; have fun All posts must end with a '?' No spam NSFW is okay, within reason This is not a support community.