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.

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

[EX Q]: Sentence: 'a street filled with traffic and a very long bus'. Reverse all words of length '4' in the given sentence.
[EX A]: a street filled htiw traffic and a yrev gnol bus

[EX Q]: Sentence: 'a man is moving across the pavement in a construction area'. Reverse all words of length '4' in the given sentence.
[EX A]:
a man is moving across the pavement in a construction aera