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 doughnut sitting next to a cup of coffee at restaurant'. Count the number of consonants in the given sentence.

SOLUTION: 27

PROBLEM: Sentence: 'a dirty nasty toilet that is broken in half'. Count the number of vowels in the given sentence.

SOLUTION: 12

PROBLEM: Sentence: 'a person jumping in the air with a frisbee'. Count the number of consonants in the given sentence.

SOLUTION:
20