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 giraffe standing next to each other in a habitat at a zoo'. Count the number of vowels in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'a man on a green field throwing a baseball'. Count the number of vowels in the given sentence.

SOLUTION: 14

PROBLEM: Sentence: 'a baby zebra following it's parent alongside of a river'. Count the number of consonants in the given sentence.

SOLUTION:
27