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: 'the cow is standing in the field all by himself'. Count the number of vowels in the given sentence.
[EX A]: 12

[EX Q]: Sentence: 'a herd of sheep is on the side of the road and a bus drives through'. Count the number of vowels in the given sentence.
[EX A]: 21

[EX Q]: Sentence: 'a group s guys snow board down a snowy hill'. Count the number of vowels in the given sentence.
[EX A]:
11