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: 'one person watches while the other flies a kite'. Reverse all words of length '7' in the given sentence.
Example Output: one person sehctaw while the other flies a kite

Example Input: Sentence: 'the firetruck carried the firefighters to the fire to put the blaze out'. Reverse all words of length '3' in the given sentence.
Example Output: eht firetruck carried eht firefighters to eht fire to tup eht blaze tuo

Example Input: Sentence: 'a woman carrying a bag of luggage across a store floor'. Reverse all words of length '8' in the given sentence.
Example Output:
a woman gniyrrac a bag of luggage across a store floor