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: 'the city bus has a feature film ad on the side of it'. Reverse all words of length '4' in the given sentence.
[A]: the ytic bus has a feature mlif ad on the edis of it


[Q]: Sentence: 'a couple of beds pushed together inside of a hospital'. Reverse all words of length '6' in the given sentence.
[A]: a elpuoc of beds dehsup together edisni of a hospital


[Q]: Sentence: 'three men in business attire walk down a side walk'. Reverse all words of length '1' in the given sentence.
[A]:
three men in business attire walk down a side walk