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: 'two green mugs are designed with frosted dog and cat emblems'. Count the number of consonants in the given sentence.

SOLUTION: 33

PROBLEM: Sentence: 'this is a group of boys with their boards'. Count the number of vowels in the given sentence.

SOLUTION: 12

PROBLEM: Sentence: 'a doll some suitcases and some other bags'. Count the number of vowels in the given sentence.

SOLUTION:
14