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: 'two women are talking while one is eating'. Count the number of vowels in the given sentence.

SOLUTION: 15

PROBLEM: Sentence: 'a giraffe runs across a plain with nothing else in sight'. Count the number of consonants in the given sentence.

SOLUTION: 29

PROBLEM: Sentence: 'a group of elephants are standing under a roof cover'. Count the number of consonants in the given sentence.

SOLUTION:
25