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 man talking on a phone while standing in front of a toilet'. Count the number of vowels in the given sentence.

SOLUTION: 19

PROBLEM: Sentence: 'a vase with unopened flowers in ice'. Count the number of vowels in the given sentence.

SOLUTION: 13

PROBLEM: Sentence: 'plate of food, including hot dog, ribs, beans, and corn'. Count the number of vowels in the given sentence.

SOLUTION:
15