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: 'some people are looking at two giraffes at a zoo'. Count the number of consonants in the given sentence.

A: 20
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Q: Sentence: 'a guy in a white shirt, jeans, and a baseball hat flipping on a skate board'. Count the number of vowels in the given sentence.

A: 23
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Q: Sentence: 'a brown dog greeting a lamb on a green field'. Count the number of consonants in the given sentence.

A:
21
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