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: 'two giraffes are walking through a field of prairie grass'. Reverse all words of length '1' in the given sentence.

A: two giraffes are walking through a field of prairie grass
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Q: Sentence: 'four cute little ducklings swimming in the water'. Reverse all words of length '6' in the given sentence.

A: four cute elttil ducklings swimming in the water
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Q: Sentence: 'a cat attentively watching a graphic on a television screen'. Reverse all words of length '7' in the given sentence.

A:
a cat attentively watching a cihparg on a television screen
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