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: 'this is a man using his phone and walking'. Count the number of consonants in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'a parked motorcycle sitting next to a white brick wall'. Count the number of consonants in the given sentence.

SOLUTION: 30

PROBLEM: Sentence: 'blue and black bus showing that its not in service'. Count the number of vowels in the given sentence.

SOLUTION:
14