In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
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Question: Sentence: 'a sliced pizza with vegetables in a pizza box'. Reverse all words of length '10' in the given sentence.

Answer: a sliced pizza with selbategev in a pizza box


Question: Sentence: 'people watching a music concert being performed on a stage'. Reverse all words of length '5' in the given sentence.

Answer: people watching a cisum concert gnieb performed on a egats


Question: Sentence: 'two little girls sitting on swings holding teddy bears at a fair'. Reverse all words of length '5' in the given sentence.

Answer:
two little slrig sitting on swings holding yddet sraeb at a fair