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: 'the restroom has a checkered floor, shower, sink, and toilet'. Count the number of vowels in the given sentence.

SOLUTION: 18

PROBLEM: Sentence: 'a woman holding a roasting pan filled with a turkey in an open oven'. Count the number of vowels in the given sentence.

SOLUTION: 22

PROBLEM: Sentence: 'a busy semi busy street with three yellow taxi's going down it '. Count the number of vowels in the given sentence.

SOLUTION:
18