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 herd of sheep are walking up a muddy hill next to a parked minivan'. Count the number of vowels in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'a living room with furniture with a look into the bedroom'. Count the number of consonants in the given sentence.

SOLUTION: 27

PROBLEM: Sentence: 'two kids in a room playing wii together'. Count the number of vowels in the given sentence.

SOLUTION:
13