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: 'the man smiles while holding a small boy'. Reverse all words of length '5' in the given sentence.

Answer: the man smiles elihw holding a llams boy


Question: Sentence: 'a plate has chicken potatoes and toast on it'. Reverse all words of length '1' in the given sentence.

Answer: a plate has chicken potatoes and toast on it


Question: Sentence: 'a train billowing smoke as it crosses a river by bridge'. Reverse all words of length '1' in the given sentence.

Answer:
a train billowing smoke as it crosses a river by bridge