What is not true about External Style sheet ?

एक्सटर्नल स्टाइल शीट के बारे में क्या सत्य नहीं है?

It is a separate document that contains only CSS rules

It separates content from the presentation but both are still contained in a single file

It separates the content and style into separate files

It allows a web designer and a content author to work in parallel

Explanation: