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 riding a bike down a street past cars'. Reverse all words of length '4' in the given sentence.

Ex Output:
a man riding a ekib nwod a street tsap srac


Ex Input:
Sentence: 'a man on a surfboard riding a wave in the ocean'. Reverse all words of length '6' in the given sentence.

Ex Output:
a man on a surfboard gnidir a wave in the ocean


Ex Input:
Sentence: 'a white plate holding a piece of cheese cake on table'. Reverse all words of length '6' in the given sentence.

Ex Output:

a white plate holding a piece of eseehc cake on table