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: 'four cute little ducklings swimming in the water'. Reverse all words of length '6' in the given sentence.
Example Output: four cute elttil ducklings swimming in the water

Example Input: Sentence: 'the tennis players are participating in a lively match'. Reverse all words of length '6' in the given sentence.
Example Output: the sinnet players are participating in a ylevil match

Example Input: Sentence: 'an overhead shot of a big plant out in the woods'. Reverse all words of length '5' in the given sentence.
Example Output:
an overhead shot of a big tnalp out in the sdoow