Im 99% sure the answer is B. :)
I believe the answer is: Headline
Headline is the words/phrases that is written on the top of article. The function of headline is to attract the attention of potential readers so they are interested in reading the article and give the readers with general clue on what the article is about.
Mediator
Mediator act as an independent unbiased third party which is officially appointed to settle disputes outside the court. Arbitrator review the Testimonies and shreds of evidence presented by both the sides of disputed parties followed by the hearing which issues the decision to end disputes after the completion of the procedure.
After 1st word war amerrican sattelet incountry