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 black cow stands alone in a grassy field'. Reverse all words of length '3' in the given sentence.

Answer: a black woc stands alone in a grassy field


Question: Sentence: 'a skateboarder does a jump trick over a sewer hole'. Reverse all words of length '5' in the given sentence.

Answer: a skateboarder does a jump kcirt over a rewes hole


Question: Sentence: 'two little boys holding bats out in the yard'. Reverse all words of length '3' in the given sentence.

Answer:
owt little boys holding bats tuo in eht yard