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 laptop is sitting on a table with a bottle of coke'. Reverse all words of length '2' in the given sentence.

Ex Output:
a laptop si sitting no a table with a bottle fo coke


Ex Input:
Sentence: 'a double sink with a mirror and a venetian door'. Reverse all words of length '3' in the given sentence.

Ex Output:
a double sink with a mirror dna a venetian door


Ex Input:
Sentence: 'a couple of trains are sitting on some tracks'. Reverse all words of length '2' in the given sentence.

Ex Output:

a couple fo trains are sitting no some tracks