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: 'looking down at skiers holding their skis on the ski slope'. Reverse all words of length '7' in the given sentence.

Ex Output:
gnikool down at skiers gnidloh their skis on the ski slope


Ex Input:
Sentence: 'a bicycle parked on a bridge next to a marina'. Reverse all words of length '4' in the given sentence.

Ex Output:
a bicycle parked on a bridge txen to a marina


Ex Input:
Sentence: 'woman standing under ornate chandeliers in a lobby'. Reverse all words of length '5' in the given sentence.

Ex Output:

namow standing rednu ornate chandeliers in a ybbol