instruction:
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 vase of flowers sitting near a candle on a sink'. Reverse all words of length '6' in the given sentence.
answer:
a vase of flowers sitting near a eldnac on a sink


question:
Sentence: 'a couple of trains are sitting on some tracks'. Reverse all words of length '2' in the given sentence.
answer:
a couple fo trains are sitting no some tracks


question:
Sentence: 'boat on glistening water next to shore with trees'. Reverse all words of length '5' in the given sentence.
answer:

boat on glistening retaw next to erohs with seert