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 group of kids pose in front of a pizza'. Count the number of vowels in the given sentence.

SOLUTION: 13

PROBLEM: Sentence: 'a big building with a clock built into the top'. Count the number of vowels in the given sentence.

SOLUTION: 14

PROBLEM: Sentence: 'two met sitting at table that has food and drinks on it'. Count the number of vowels in the given sentence.

SOLUTION:
15