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: 'an old chair with telephone books on it in a room with guitars and a tv'. Reverse all words of length '7' in the given sentence.
[A]: an old chair with telephone books on it in a room with sratiug and a tv


[Q]: Sentence: 'two doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them'. Reverse all words of length '1' in the given sentence.
[A]: two doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them


[Q]: Sentence: 'an elderly man is cutting another mans hair'. Reverse all words of length '4' in the given sentence.
[A]:
an elderly man is cutting another snam riah