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.

[EX Q]: Sentence: 'some people are looking at two giraffes at a zoo'. Count the number of consonants in the given sentence.
[EX A]: 20

[EX Q]: Sentence: 'a young skateboarder practices in a city skate park as others look on'. Count the number of consonants in the given sentence.
[EX A]: 34

[EX Q]: Sentence: 'two giraffes in a zoo or sanctuary pen'. Count the number of vowels in the given sentence.
[EX A]:
13