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: 'three people in a dog carrying items walking along the beach'. Reverse all words of length '7' in the given sentence.

Answer: three people in a dog carrying items gniklaw along the beach


Question: Sentence: 'a large eared dog sitting on an office chair'. Reverse all words of length '3' in the given sentence.

Answer: a large eared god sitting on an office chair


Question: Sentence: 'a yellow and white train entering into a train station with people waiting'. Reverse all words of length '3' in the given sentence.

Answer:
a yellow dna white train entering into a train station with people waiting