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: 'men are watching an outdoor baseball game behind the batter's cage'. Count the number of vowels in the given sentence.
22

Sentence: 'a food processor is on a counter next to two small glasses'. Count the number of vowels in the given sentence.
18

Sentence: 'a small child having his teeth brushed by an adult'. Count the number of vowels in the given sentence.

13