Answer:
The second statement is correct that:
"Headlines should be closer to the text that follow them than to the text that precedes them".
Step-by-step explanation:
The purpose of the headline is to introduce the text what is in the following text like brief description. To keep the headline different from the text there font size is increased and are bold.
This helps a reader to take an overview of the document by just focusing on the headings. Moreover they help a reader to locate a desired point or note efficiently. So in order to use headings we must take care that they must be closer to the text the are made for instead of the text that is before that heading.
I hope it will help you!