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 baby wearing a bib setting at a table with food on it'. Reverse all words of length '7' in the given sentence.

A: a baby gniraew a bib gnittes at a table with food on it
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Q: Sentence: 'a group of people riding in a black raft'. Reverse all words of length '1' in the given sentence.

A: a group of people riding in a black raft
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Q: Sentence: 'a pair of police officers sit on motorcycles next to a crowd of people'. Reverse all words of length '4' in the given sentence.

A:
a riap of police officers sit on motorcycles txen to a crowd of people
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