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: 'the couple are smiling at each other as they sit on a bench'. Reverse all words of length '4' in the given sentence.
[EX A]: the couple are smiling at hcae other as yeht sit on a bench

[EX Q]: Sentence: 'a city bus parked along the road at a bus stop'. Reverse all words of length '1' in the given sentence.
[EX A]: a city bus parked along the road at a bus stop

[EX Q]: Sentence: 'a father and daughter playing together in the shade'. Reverse all words of length '1' in the given sentence.
[EX A]:
a father and daughter playing together in the shade