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 green tennis court with a red and black tennis racket in her hand'. Count the number of consonants in the given sentence.

SOLUTION: 39

PROBLEM: Sentence: 'a cat is sitting on the floor and watching television'. Count the number of consonants in the given sentence.

SOLUTION: 27

PROBLEM: Sentence: 'a baby playing with a toy and a toothbrush'. Count the number of vowels in the given sentence.

SOLUTION:
12