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 woman about to serve a tennis ball'. Reverse all words of length '2' in the given sentence.

Ex Output:
a woman about ot serve a tennis ball


Ex Input:
Sentence: 'young calf being bottle fed above red bucket'. Reverse all words of length '3' in the given sentence.

Ex Output:
young calf being bottle def above der bucket


Ex Input:
Sentence: 'a woman sitting at a table eating food'. Reverse all words of length '4' in the given sentence.

Ex Output:

a woman sitting at a table eating doof