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: 'two small children and childrens books on a blue carpeted floor'. Reverse all words of length '1' in the given sentence.

Ex Output:
two small children and childrens books on a blue carpeted floor


Ex Input:
Sentence: 'a sealed green bottle with a note in it'. Reverse all words of length '1' in the given sentence.

Ex Output:
a sealed green bottle with a note in it


Ex Input:
Sentence: 'a group of people are kayaking on a fairly calm river'. Reverse all words of length '3' in the given sentence.

Ex Output:

a group of people era kayaking on a fairly calm river