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 large delta airlines airplane on the runway'. Reverse all words of length '6' in the given sentence.

Ex Output:
a large delta airlines airplane on the yawnur


Ex Input:
Sentence: 'a horse standing in front of a barn'. Reverse all words of length '1' in the given sentence.

Ex Output:
a horse standing in front of a barn


Ex Input:
Sentence: 'a giraffe hides its head behind a tree'. Reverse all words of length '5' in the given sentence.

Ex Output:

a giraffe sedih its head behind a tree