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 woman tossing a frisbee on a sandy beach'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'an open, furnished kitchen with dining room table'. Count the number of vowels in the given sentence.

SOLUTION: 15

PROBLEM: Sentence: 'a silver hippy van and a bus for vegans'. Count the number of vowels in the given sentence.

SOLUTION:
11