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: 'many cows on a field of grass with trees in the background'. Reverse all words of length '1' in the given sentence.

Answer: many cows on a field of grass with trees in the background


Question: Sentence: 'a person in skis is standing in the snow'. Reverse all words of length '2' in the given sentence.

Answer: a person ni skis si standing ni the snow


Question: Sentence: 'people are sitting and eating in a cafeteria'. Reverse all words of length '1' in the given sentence.

Answer:
people are sitting and eating in a cafeteria