TASK DEFINITION: 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.
PROBLEM: Sentence: 'a large group of people on the street with some bikes'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'there is a female tennis player on the court'. Count the number of consonants in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'a bedroom with a bookcase and a double bed'. Count the number of vowels in the given sentence.

SOLUTION:
16