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 large long train on a steel track'. Reverse all words of length '2' in the given sentence.

Ex Output:
a large long train no a steel track


Ex Input:
Sentence: 'a pinto horse walking in a coral with two people'. Reverse all words of length '2' in the given sentence.

Ex Output:
a pinto horse walking ni a coral with two people


Ex Input:
Sentence: 'a group of buildings with a large clock standing on the outside'. Reverse all words of length '3' in the given sentence.

Ex Output:

a group of buildings with a large clock standing on eht outside