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 while express bus at the side of a road near a stadium'. Count the number of consonants in the given sentence.

SOLUTION: 24

PROBLEM: Sentence: 'close up of a giraffe eating leaves from a tree top'. Count the number of vowels in the given sentence.

SOLUTION: 19

PROBLEM: Sentence: 'a group of skiers  on a slope in bad weather conditions'. Count the number of consonants in the given sentence.

SOLUTION:
25