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.
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Question: 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.

Answer: a man and a woman wearing all black are sitting txen to hcae other on a bench


Question: Sentence: 'a group of people riding in a black raft'. Reverse all words of length '1' in the given sentence.

Answer: a group of people riding in a black raft


Question: Sentence: 'a man hits a tennis ball during a doubles match'. Reverse all words of length '3' in the given sentence.

Answer:
a nam hits a tennis ball during a doubles match