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.

Sentence: 'a man holding a child next to a double decker bus'. Count the number of vowels in the given sentence.
15

Sentence: 'a woman with a smile on her face riding a horse'. Count the number of vowels in the given sentence.
16

Sentence: 'a little child is eating a chocolate donut'. Count the number of vowels in the given sentence.

15