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 cat that is sleeping on a chair'. Count the number of consonants in the given sentence.
15

Sentence: 'a couple of middle eastern dishes with fruit and herbs'. Count the number of vowels in the given sentence.
17

Sentence: 'this girl is playing tennis on a tennis court'. Count the number of vowels in the given sentence.

13