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 man in a suit eats waffles while a group of people eat in the background'. Count the number of vowels in the given sentence.

SOLUTION: 26

PROBLEM: Sentence: 'a desktop computer that is sitting on a desk'. Count the number of consonants in the given sentence.

SOLUTION: 23

PROBLEM: Sentence: 'a double-decker red bus on a london street'. Count the number of consonants in the given sentence.

SOLUTION:
20