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 man and a woman wearing all black are sitting next to each other on a bench'. Reverse all words of length '4' in the given sentence.

A: a man and a woman wearing all black are sitting txen to hcae other on a bench
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Q: Sentence: 'a river filled with lots of boats and surrounded by buildings'. Reverse all words of length '4' in the given sentence.

A: a river filled htiw stol of boats and surrounded by buildings
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Q: Sentence: 'a new bathroom installed in an attic space'. Reverse all words of length '9' in the given sentence.

A:
a new bathroom dellatsni in an attic space
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