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: 'the cox is standing behind the fence alone'. Reverse all words of length '2' in the given sentence.
[EX A]: the cox si standing behind the fence alone

[EX Q]: Sentence: 'a cat has is sticking its head in the toilet'. Reverse all words of length '8' in the given sentence.
[EX A]: a cat has is gnikcits its head in the toilet

[EX Q]: Sentence: 'a baby and woman are looking at a pizza'. Reverse all words of length '2' in the given sentence.
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
a baby and woman are looking ta a pizza

