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.

[Q]: Sentence: 'a vase of flowers sitting near a candle on a sink'. Reverse all words of length '6' in the given sentence.
[A]: a vase of flowers sitting near a eldnac on a sink


[Q]: Sentence: 'a girl is holding a trophy and a tennis racket'. Reverse all words of length '4' in the given sentence.
[A]: a lrig is holding a trophy and a tennis racket


[Q]: Sentence: 'a large brown bear walking across a dirt field'. Reverse all words of length '7' in the given sentence.
[A]:
a large brown bear gniklaw across a dirt field