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 police officer is standing on a street corner'. Count the number of vowels in the given sentence.

SOLUTION: 16

PROBLEM: Sentence: 'a plate of broccoli and noodles sits on a surface'. Count the number of consonants in the given sentence.

SOLUTION: 23

PROBLEM: Sentence: 'an overhead train station above a city street in chinatown'. Count the number of consonants in the given sentence.

SOLUTION:
28