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: 'several stacks of trunks in front of a building'. Reverse all words of length '8' in the given sentence.
[A]: several stacks of trunks in front of a gnidliub


[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 kid at a skateboard park holding his skateboard'. Reverse all words of length '2' in the given sentence.
[A]:
a kid ta a skateboard park holding his skateboard