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 baseball player and a catcher at a baseball game'. Count the number of consonants in the given sentence.

SOLUTION: 24

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

SOLUTION: 13

PROBLEM: Sentence: 'the large aircraft flies through the cloudy sky'. Count the number of vowels in the given sentence.

SOLUTION:
13