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: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.

Answer: there are ynam animals standing on the top of siht mountain


Question: Sentence: 'one person watches while the other flies a kite'. Reverse all words of length '7' in the given sentence.

Answer: one person sehctaw while the other flies a kite


Question: Sentence: 'a squadron of jet fighter airplanes flying in a tight formation'. Reverse all words of length '9' in the given sentence.

Answer:
a squadron of jet fighter senalpria flying in a tight noitamrof