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 little girl stands on a tennis court holding a tennis racket'. Count the number of consonants in the given sentence.

SOLUTION: 33

PROBLEM: Sentence: 'the woman in a blue shirt is riding a horse'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'a boy swinging his bat towards a baseball'. Count the number of vowels in the given sentence.

SOLUTION:
12