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.

[Q]: WAV ( or WAVE ) , short for Waveform Audio File Format , is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs .
[A]: Waveform Audio File Format ( WAVE , or more commonly known as WAV due to its filename extension ; pronounced " wave " or ) is an audio file format standard , developed by Microsoft and IBM , for storing an audio bitstream on PCs .

[Q]: When Nakamura won the 2014 New Japan Cup , Tanahashi had a second rematch against Nakamura at Invasion Attack 2014 on April 6 .
[A]: After Nakamura had won the 2014 New Japan Cup , another title match was booked between him and Tanahashi for the April 6 Invasion Attack 2014 event , where Tanahashi was defeated in his second title defense .

[Q]: Today , the number of categories has grown to award " Best Young Actor and Actress in an International Feature Film " , " Best Young Actor and Actress in a Short Film " , " Best Young Supporting Actor and Actress in Film " , " Best Young Ensemble Cast " , " Best Young Recurring Actor and Actress in a TV Series " , and " Best Young Guest-starring Actor and Actress in a TV Series " .
[A]:
Over time , the competitive categories have been expanded to include " Best Young Actor and Actress in an International Feature Film " , " Best Young Actor and Actress in a Short Film " , " Best Young Supporting Actor and Actress in Film " , " Best Young Ensemble Cast " , " Best Young Recurring Actor and Actress in a TV Series " , and " Best Young Guest-starring Actor and Actress in a TV Series " , with many of the categories being split to acknowledge young artists age 10 and under in their own separate categories .