TASK DEFINITION: Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
PROBLEM: hair straightening is when a person makes their hair straighter.

SOLUTION: hair straightening

PROBLEM: survivor series (2016) was a wrestling pay-per-view (ppv) made by wwe for the "raw" and "smackdown live" brands.

SOLUTION: survivor series (2016)

PROBLEM: harnes is a commune.

SOLUTION:
harnes