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: 'sandwiches and sides are arranged on a table'. Count the number of vowels in the given sentence.

SOLUTION: 15

PROBLEM: Sentence: 'two males are seen on the field playing with a frisbee'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'a pizza that is on a platter on a table'. Count the number of vowels in the given sentence.

SOLUTION:
13