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: 'there are two men sitting on a park bench'. Reverse all words of length '5' in the given sentence.

Ex Output:
ereht are two men sitting on a park hcneb


Ex Input:
Sentence: 'a wooden pole with multiple street signs mounted on it'. Reverse all words of length '2' in the given sentence.

Ex Output:
a wooden pole with multiple street signs mounted no ti


Ex Input:
Sentence: 'the long couch is near a window and mirror'. Reverse all words of length '3' in the given sentence.

Ex Output:

eht long couch is near a window dna mirror