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 woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.

Answer: a man and woman standing with egaggul in a gnitiaw area


Question: Sentence: 'a person on a parachute landing on the water'. Reverse all words of length '2' in the given sentence.

Answer: a person no a parachute landing no the water


Question: Sentence: 'four people are looking at two calves and a cat'. Reverse all words of length '1' in the given sentence.

Answer:
four people are looking at two calves and a cat