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: 'some people are looking at two giraffes at a zoo'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'the four airplanes are flying through the sky'. Count the number of consonants in the given sentence.

SOLUTION: 25

PROBLEM: Sentence: 'a plate of pasta and pepperoni pizza and a slice with vegetables'. Count the number of vowels in the given sentence.

SOLUTION:
22