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: 'an aboveground subway car on a city street'. Reverse all words of length '6' in the given sentence.

Answer: an aboveground yawbus car on a city teerts


Question: Sentence: 'man extending arm with three bananas crosswise on it'. Reverse all words of length '4' in the given sentence.

Answer: man extending arm htiw three bananas crosswise on it


Question: Sentence: 'a street pole with some signs sitting on top of it'. Reverse all words of length '6' in the given sentence.

Answer:
a teerts pole with some signs sitting on top of it