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: 'two birds standing and sticking their heads in muddy water'. Reverse all words of length '3' in the given sentence.
Example Output: owt birds standing dna sticking their heads in muddy water

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: 'a set of tracks with subway car in front of several tall building cranes'. Reverse all words of length '8' in the given sentence.
Example Output:
a set of tracks with subway car in front of several tall gnidliub cranes