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 man and woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.

Ex Output:
a man and woman standing with egaggul in a gnitiaw area


Ex Input:
Sentence: 'a group of people eating a cake on a table'. Reverse all words of length '6' in the given sentence.

Ex Output:
a group of elpoep gnitae a cake on a table


Ex Input:
Sentence: 'a close up of a pizza on a table'. Reverse all words of length '1' in the given sentence.

Ex Output:

a close up of a pizza on a table