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 close up of a street sign with people walking near by'. Count the number of consonants in the given sentence.

SOLUTION: 27

PROBLEM: Sentence: 'little boy stands atop the flatbed truck parked in the field'. Count the number of vowels in the given sentence.

SOLUTION: 16

PROBLEM: Sentence: 'a man standing in the rain near a river'. Count the number of vowels in the given sentence.

SOLUTION:
13