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 room with two queen sized beds and a television'. Reverse all words of length '4' in the given sentence.

Ex Output:
a moor htiw two queen sized sdeb and a television


Ex Input:
Sentence: 'a person at a zoo looking over the fence of a giraffe enclosure'. Reverse all words of length '6' in the given sentence.

Ex Output:
a nosrep at a zoo looking over the fence of a giraffe enclosure


Ex Input:
Sentence: 'people are doing something at this time that is bolting'. Reverse all words of length '3' in the given sentence.

Ex Output:

people era doing something at this time that is bolting


