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.
--------
Question: Sentence: 'a girl with a cast on her arm stands in a bathroom'. Reverse all words of length '3' in the given sentence.

Answer: a girl with a cast on reh mra stands in a bathroom


Question: Sentence: 'several bicycles and a bus parked outside a large building'. Reverse all words of length '7' in the given sentence.

Answer: lareves bicycles and a bus parked edistuo a large building


Question: Sentence: 'a young elephant helps a baby elephant out of a pool of water'. Reverse all words of length '2' in the given sentence.

Answer:
a young elephant helps a baby elephant out fo a pool fo water