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: 'the young man is setting in the floor with his computer ear an outlet'. Reverse all words of length '3' in the given sentence.

A: eht young nam is setting in eht floor with sih computer rae an outlet
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Q: Sentence: 'a very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.

A: a yrev small shiny metal cup htiw emos doof in it
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Q: Sentence: 'a cop is pulled up next to a school bus'. Reverse all words of length '4' in the given sentence.

A:
a cop is pulled up txen to a school bus
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