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

Answer: a baby elephant in eht middle of a field


Question: Sentence: 'a cat has is sticking its head in the toilet'. Reverse all words of length '8' in the given sentence.

Answer: a cat has is gnikcits its head in the toilet


Question: Sentence: 'a group of people standing next to each other on snow'. Reverse all words of length '5' in the given sentence.

Answer:
a puorg of people standing next to each rehto on snow