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: 'several double-decker buses parked in an indoor lot'. Count the number of consonants in the given sentence.

SOLUTION: 25

PROBLEM: Sentence: 'a boy cuddles next to a large stuffed bear'. Count the number of vowels in the given sentence.

SOLUTION: 13

PROBLEM: Sentence: 'a stone building in a city with a clock tower attached to it'. Count the number of vowels in the given sentence.

SOLUTION:
19