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 train moving on a track during the day'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'a woman taking a photo using a cellphone'. Count the number of consonants in the given sentence.

SOLUTION: 19

PROBLEM: Sentence: 'a home computer and a desk in a small room'. Count the number of vowels in the given sentence.

SOLUTION:
14