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 woman with a green striped umbrella crosses a street past a brightly painted truck'. Count the number of vowels in the given sentence.
24

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

Sentence: 'seven circus elephants,  on their hind legs, leaning on each other,  with a standing elephant in the middle of the line'. Count the number of vowels in the given sentence.

35