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 guy on  a surf board by a very big wave'. Reverse all words of length '3' in the given sentence.

Answer: a yug on a surf board by a very gib wave


Question: Sentence: 'a male cow walking down a street with shanties'. Reverse all words of length '7' in the given sentence.

Answer: a male cow gniklaw down a street with shanties


Question: Sentence: 'a young child follows a baseball player across the field'. Reverse all words of length '7' in the given sentence.

Answer:
a young child swollof a baseball player across the field