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: 'people flying kites at the beach on an overcast day'. Reverse all words of length '6' in the given sentence.

Ex Output:
elpoep gniylf kites at the beach on an overcast day


Ex Input:
Sentence: 'a baby elephant in the middle of a field'. Reverse all words of length '3' in the given sentence.

Ex Output:
a baby elephant in eht middle of a field


Ex Input:
Sentence: 'a train car is sitting on a railway turntable'. Reverse all words of length '3' in the given sentence.

Ex Output:

a train rac is sitting on a railway turntable