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 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 photo of a glass of wine an apple and a banana'. Reverse all words of length '2' in the given sentence.
[EX A]: a photo fo a glass fo wine na apple and a banana

[EX Q]: Sentence: 'a baby elephant in the middle of a field'. Reverse all words of length '3' in the given sentence.
[EX A]:
a baby elephant in eht middle of a field