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.

Ex Input:
Sentence: 'a person going on a slop jump on skis'. Reverse all words of length '6' in the given sentence.

Ex Output:
a nosrep going on a slop jump on skis


Ex Input:
Sentence: 'a tennis player is holding a tennis racket with the crowd in the background'. Reverse all words of length '3' in the given sentence.

Ex Output:
a tennis player is holding a tennis racket with eht crowd in eht background


Ex Input:
Sentence: 'a gray tiger cat sitting on top of a couch'. Reverse all words of length '3' in the given sentence.

Ex Output:

a gray tiger tac sitting on pot of a couch