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 bird with a unique black and white beak next to other birds'. Count the number of vowels in the given sentence.

SOLUTION: 19

PROBLEM: Sentence: 'the man is doing a jump on his skateboard'. Count the number of vowels in the given sentence.

SOLUTION: 13

PROBLEM: Sentence: 'a group of four people playing a game of tennis'. Count the number of consonants in the given sentence.

SOLUTION:
21