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 dog is catching a frisbee at a competition'. Reverse all words of length '11' in the given sentence.

Ex Output:
a dog is catching a frisbee at a noititepmoc


Ex Input:
Sentence: 'a meal consisting of greens rice meat in sauce and banana'. Reverse all words of length '4' in the given sentence.

Ex Output:
a laem consisting of greens ecir taem in sauce and banana


Ex Input:
Sentence: 'a very big giraffe that is siting on the ground'. Reverse all words of length '7' in the given sentence.

Ex Output:

a very big effarig that is siting on the ground