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 glass of guinness beer and a teddy bear on a table'. Count the number of vowels in the given sentence.

Answer: 17


Question: Sentence: 'a woman throws up the tennis ball to serve'. Count the number of vowels in the given sentence.

Answer: 12


Question: Sentence: 'he looks to be preparing a sandwich to sell'. Count the number of vowels in the given sentence.

Answer:
13