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: 'groups of people in a field sitting down, standing and walking, with tent areas in the background'. Count the number of vowels in the given sentence.

SOLUTION: 28

PROBLEM: Sentence: 'a young boy in stripped shirt holding bottle'. Count the number of vowels in the given sentence.

SOLUTION: 12

PROBLEM: Sentence: 'a woman walking in the forest looking at her cellphone'. Count the number of vowels in the given sentence.

SOLUTION:
17