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 city truck two city buses and a yellow fire hydrant'. Reverse all words of length '4' in the given sentence.
[EX A]: a ytic truck two ytic buses and a yellow erif hydrant

[EX Q]: Sentence: 'an orange on a counter next to a bottle of alcohol'. Reverse all words of length '7' in the given sentence.
[EX A]: an orange on a retnuoc next to a bottle of lohocla

[EX Q]: Sentence: 'little girl with black hat sitting on a pony with two girls beside'. Reverse all words of length '6' in the given sentence.
[EX A]:
elttil girl with black hat sitting on a pony with two girls ediseb