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.

Example Input: Sentence: 'a yellow bird that is on a branch'. Reverse all words of length '1' in the given sentence.
Example Output: a yellow bird that is on a branch

Example Input: Sentence: 'a herd of horses is exercised in the yard led by a man on horseback'. Reverse all words of length '6' in the given sentence.
Example Output: a herd of sesroh is exercised in the yard led by a man on horseback

Example Input: Sentence: 'there is a woman eating a slice of pizza'. Reverse all words of length '2' in the given sentence.
Example Output:
there si a woman eating a slice fo pizza