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 very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.

Ex Output:
a yrev small shiny metal cup htiw emos doof in it


Ex Input:
Sentence: 'a man sitting at a table and looking past the microphone'. Reverse all words of length '4' in the given sentence.

Ex Output:
a man sitting at a table and looking tsap the microphone


Ex Input:
Sentence: 'a baseball player that has just hit a ball'. Reverse all words of length '4' in the given sentence.

Ex Output:

a baseball player taht has tsuj hit a llab