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 bird sits atop a post near a boat dock with large boats in the background'. Reverse all words of length '1' in the given sentence.
[A]: a bird sits atop a post near a boat dock with large boats in the background


[Q]: Sentence: 'two people are holding rackets upright on a tennis court'. Reverse all words of length '7' in the given sentence.
[A]: two people are gnidloh stekcar thgirpu on a tennis court


[Q]: Sentence: 'a person sitting on a couch with headphones on in front of a laptop'. Reverse all words of length '10' in the given sentence.
[A]:
a person sitting on a couch with senohpdaeh on in front of a laptop