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 cat that is half in a toilet'. Count the number of vowels in the given sentence.

Answer: 10


Question: Sentence: 'a bathroom with a small toilet and a brown lid and a larger white toilet'. Count the number of vowels in the given sentence.

Answer: 23


Question: Sentence: 'horses and carriages in an old time black and white photo'. Count the number of vowels in the given sentence.

Answer:
18