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: 'pictures a candle a single flower and a stuffed bear on a table'. Reverse all words of length '6' in the given sentence.

Ex Output:
pictures a eldnac a elgnis rewolf and a stuffed bear on a table


Ex Input:
Sentence: 'a bunch of umbrellas are up in the air'. Reverse all words of length '9' in the given sentence.

Ex Output:
a bunch of sallerbmu are up in the air


Ex Input:
Sentence: 'a person surfing in a large deep river'. Reverse all words of length '2' in the given sentence.

Ex Output:

a person surfing ni a large deep river