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: 'an elephant is standing in the road by the truck'. Reverse all words of length '5' in the given sentence.
[A]: an elephant is standing in the road by the kcurt


[Q]: Sentence: 'a person going on a slop jump on skis'. Reverse all words of length '6' in the given sentence.
[A]: a nosrep going on a slop jump on skis


[Q]: Sentence: 'a living room with furniture and a flat screen tv'. Reverse all words of length '3' in the given sentence.
[A]:
a living room with furniture dna a flat screen tv