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 cat sleeping with is hear resting on a keyboard'. Reverse all words of length '4' in the given sentence.

Answer: a cat sleeping htiw is raeh resting on a keyboard


Question: Sentence: 'a bride and groom holding a knife to a three tier wedding cake'. Reverse all words of length '1' in the given sentence.

Answer: a bride and groom holding a knife to a three tier wedding cake


Question: Sentence: 'a person walking a dog is looking at a bike by the tree'. Reverse all words of length '3' in the given sentence.

Answer:
a person walking a god is looking at a bike by eht tree