In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

It was the thirteenth WrestleMania event held by the WWF .
WrestleMania 13 was the 13th annual WrestleMania professional wrestling pay-per-view ( PPV ) event produced by the World Wrestling Federation ( WWF ) .