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 man leans down to take a bite from his sandwich'. Reverse all words of length '5' in the given sentence.
Example Output: a man snael down to take a bite from his sandwich

Example Input: Sentence: 'there is no image to provide a caption for'. Reverse all words of length '7' in the given sentence.
Example Output: there is no image to edivorp a noitpac for

Example Input: Sentence: 'the aerial view of a train heading down the track'. Reverse all words of length '1' in the given sentence.
Example Output:
the aerial view of a train heading down the track