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 mirror is on a pole by a light'. Count the number of vowels in the given sentence.

Answer: 10


Question: Sentence: 'three people sitting on a park bench waving at camera'. Count the number of vowels in the given sentence.

Answer: 17


Question: Sentence: 'many elephants in  field of green grass near trees'. Count the number of vowels in the given sentence.

Answer:
15