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 small child sitting in front of a pizza with a cutter in front'. Count the number of consonants in the given sentence.

SOLUTION: 34

PROBLEM: Sentence: 'a large group of people on the street with some bikes'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'a kitten walking on the base of a window'. Count the number of vowels in the given sentence.

SOLUTION:
13