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: 'the sandwiches on the picnic blanket are cut in half'. Count the number of vowels in the given sentence.

SOLUTION: 15

PROBLEM: Sentence: 'a doll house filled with many different toys'. Count the number of consonants in the given sentence.

SOLUTION: 24

PROBLEM: Sentence: 'spotted cow out in the field eating grass'. Count the number of consonants in the given sentence.

SOLUTION:
21