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.
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Question: Sentence: 'a bus is sitting parked under a roof'. Count the number of consonants in the given sentence.

Answer: 17


Question: Sentence: 'the buses are waiting in line for pickup'. Count the number of consonants in the given sentence.

Answer: 19


Question: Sentence: 'a dirty man sleeping on the sidewalk next to a brick wall'. Count the number of vowels in the given sentence.

Answer:
16