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 woman on a tennis court is holding a racquet'. Count the number of vowels in the given sentence.

SOLUTION: 16

PROBLEM: Sentence: 'a ceramic figurine featuring a teddy bear playing dress-up'. Count the number of vowels in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'a group of people walking in the rain with umbrellas'. Count the number of vowels in the given sentence.

SOLUTION:
17