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.

Q: Sentence: 'a kitchen counter filled with various types of fruits and vegetables'. Reverse all words of length '4' in the given sentence.

A: a kitchen counter filled htiw various types of fruits and vegetables
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Q: Sentence: 'a black cat sitting on top of a laptop on a table'. Reverse all words of length '5' in the given sentence.

A: a kcalb cat sitting on top of a laptop on a elbat
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Q: Sentence: 'a very old and beat up looking clock tower'. Reverse all words of length '4' in the given sentence.

A:
a yrev old and taeb up looking clock tower
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