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 girl standing on a sidewalk holding an umbrella'. Count the number of consonants in the given sentence.

SOLUTION: 26

PROBLEM: Sentence: 'the woman in a blue shirt is riding a horse'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'a police officer is standing on a street corner'. Count the number of consonants in the given sentence.

SOLUTION:
23