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: 'a group of men are watching two men shake hands over a table decorated with american and chinese flags'. Count the number of consonants in the given sentence.

A: 51
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Q: Sentence: 'a train with several cars is going around a corner'. Count the number of consonants in the given sentence.

A: 24
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Q: Sentence: 'many people are gathered on the sidewalk near a street corner'. Count the number of vowels in the given sentence.

A:
21
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