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 blue colored sign with a white arrow'. Reverse all words of length '1' in the given sentence.
[EX A]: a blue colored sign with a white arrow

[EX Q]: Sentence: 'a group of several cows standing in a grassy field'. Reverse all words of length '8' in the given sentence.
[EX A]:
a group of several cows gnidnats in a grassy field