In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Q: Sentence: 'two zebras that are standing in the grass'. Count the number of vowels in the given sentence.

A: 11
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Q: Sentence: 'a man holding a tennis racquet on a tennis court'. Count the number of consonants in the given sentence.

A: 23
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Q: Sentence: 'a red and yellow fire hydrant sitting on a sidewalk'. Count the number of vowels in the given sentence.

A:
15
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