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 man riding on the back of a horse'. Count the number of vowels in the given sentence.

SOLUTION: 11

PROBLEM: Sentence: 'woman holds a toothbrush to the mouth of a young child'. Count the number of vowels in the given sentence.

SOLUTION: 16

PROBLEM: Sentence: 'a teddy bear missing its nose with tape there instead'. Count the number of consonants in the given sentence.

SOLUTION:
27