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.

Q: Sentence: 'a man laying on a bench and a woman next to him touching his face'. Reverse all words of length '4' in the given sentence.

A: a man laying on a bench and a woman txen to him touching his ecaf
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Q: Sentence: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.

A: there are ynam animals standing on the top of siht mountain
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Q: Sentence: 'some animals are standing near a thin river'. Reverse all words of length '3' in the given sentence.

A:
some animals era standing near a thin river
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