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: 'some people sitting on some benches flowers and buildings'. Reverse all words of length '3' in the given sentence.

Answer: some people sitting on some benches flowers dna buildings


Question: Sentence: 'a group of sheep graze in a grassy field'. Reverse all words of length '2' in the given sentence.

Answer: a group fo sheep graze ni a grassy field


Question: Sentence: 'a boat glider out on the surf flying'. Reverse all words of length '6' in the given sentence.

Answer:
a boat redilg out on the surf gniylf