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 couple of giraffe standing next to each other'. Count the number of vowels in the given sentence.

SOLUTION: 16

PROBLEM: Sentence: 'a zebra with a gazelle in the background in a grassy field'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'a home office with a desktop computer and a laptop computer'. Count the number of vowels in the given sentence.

SOLUTION:
20