<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
I've heard that we don't say the word retarded, anymore. Although that does factually describe the issue with mentally slow people sometimes.
<|assistant|>
The term 'retarded' is still used in some contexts but is largely considered to be a derogatory term for people with intellectual disabilities, so it is generally best to avoid using it.