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 Q]: Sentence: 'a woman holding a stuffed bear dressed as santa'. Reverse all words of length '2' in the given sentence.
[EX A]: a woman holding a stuffed bear dressed sa santa

[EX Q]: Sentence: 'a person parasails in water with mountains in the background'. Reverse all words of length '4' in the given sentence.
[EX A]: a person parasails in water htiw mountains in the background

[EX Q]: Sentence: 'a blue umbrella sitting next to next to a wooden fence'. Reverse all words of length '4' in the given sentence.
[EX A]:
a eulb umbrella sitting txen to txen to a wooden fence