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 pair of men fighting over a frisbee in a grassy field'. Count the number of consonants in the given sentence.

SOLUTION: 26

PROBLEM: Sentence: 'a vase with a dozen tie-dye flowers in it'. Count the number of vowels in the given sentence.

SOLUTION: 14

PROBLEM: Sentence: 'two small children sitting on a toilet brushing there teeth '. Count the number of vowels in the given sentence.

SOLUTION:
17