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 man standing on a surf board, holding an oar'. Count the number of consonants in the given sentence.

Answer: 22


Question: Sentence: 'father and son wait on their bicycle at a traffic light'. Count the number of vowels in the given sentence.

Answer: 16


Question: Sentence: 'a group of people on surfboards doing different things'. Count the number of vowels in the given sentence.

Answer:
17