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: 'an elephant standing on a dirt patch near a forest'. Count the number of vowels in the given sentence.

SOLUTION: 15

PROBLEM: Sentence: 'a food processor is on a counter next to two small glasses'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'a picture of a red mac truck passing by a car. the picture is in the rear view mirror'. Count the number of vowels in the given sentence.

SOLUTION:
26