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 football game on a grassy playing field'. Reverse all words of length '2' in the given sentence.

Ex Output:
a football game no a grassy playing field


Ex Input:
Sentence: 'an elephant is standing in the road by the truck'. Reverse all words of length '5' in the given sentence.

Ex Output:
an elephant is standing in the road by the kcurt


Ex Input:
Sentence: 'a kitchen scene with focus on the sink and the window'. Reverse all words of length '6' in the given sentence.

Ex Output:

a kitchen scene with focus on the sink and the wodniw