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 boys are wearing green and red vests and ties'. Count the number of vowels in the given sentence.

A: 16
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Q: Sentence: 'a small bathroom seen through an open door showing pedestal sink and a rust-stained toilet'. Count the number of vowels in the given sentence.

A: 29
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Q: Sentence: 'people stand at the subway station waiting for their bus'. Count the number of vowels in the given sentence.

A:
18
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