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: 'there are several different items of food on this fancy plate'. Reverse all words of length '2' in the given sentence.

Ex Output:
there are several different items fo food no this fancy plate


Ex Input:
Sentence: 'a clock tower with a weather vein that is lit up'. Reverse all words of length '7' in the given sentence.

Ex Output:
a clock tower with a rehtaew vein that is lit up


Ex Input:
Sentence: 'a man is sitting with a teddy bear on a sidewalk'. Reverse all words of length '7' in the given sentence.

Ex Output:

a man is gnittis with a teddy bear on a sidewalk