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 giraffe wanders through the plains, searching for a tall tree to graze on'. Count the number of consonants in the given sentence.

SOLUTION: 38

PROBLEM: Sentence: 'the buses are waiting in line for pickup'. Count the number of consonants in the given sentence.

SOLUTION: 19

PROBLEM: Sentence: 'a picture of a tennis player playing a game'. Count the number of vowels in the given sentence.

SOLUTION:
15