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 bicyclists race toward an old brick church'. Reverse all words of length '2' in the given sentence.
[EX A]: the bicyclists race toward na old brick church

[EX Q]: Sentence: 'a man is in the air riding a skateboard outside'. Reverse all words of length '2' in the given sentence.
[EX A]: a man si ni the air riding a skateboard outside

[EX Q]: Sentence: 'people holding cellphones and signs in their hands'. Reverse all words of length '10' in the given sentence.
[EX A]:
people holding senohpllec and signs in their hands