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: 'groups of people in a field sitting down, standing and walking, with tent areas in the background'. Count the number of vowels in the given sentence.
[EX A]: 28

[EX Q]: Sentence: 'a street sign on the edge of a street'. Count the number of vowels in the given sentence.
[EX A]: 12

[EX Q]: Sentence: 'a kid up to bat in a baseball game'. Count the number of vowels in the given sentence.
[EX A]:
12