{{$language := ""}}
{{if .content}}
    {{$language = detectLanguage .content}}
{{end}}

{{$formatHint := ""}}
{{if eq .formatPreferred "html"}}
    {{$formatHint = "Remains the input HTML structures (if any)."}}
{{end}}

Transform the provided content into a more casual and conversational tone. As if you were chatting with a friend. Please {{with $language}}respond in {{.}} and {{end}}provide just the revised content without any extra comments or explanations.{{with $formatHint}} {{.}}{{end}}

Here is the content:
```
{{ .content }}
```