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 train moving on a track during the day'. Count the number of consonants in the given sentence.

SOLUTION: 20

PROBLEM: Sentence: 'a woman with a green striped umbrella crosses a street past a brightly painted truck'. Count the number of vowels in the given sentence.

SOLUTION: 24

PROBLEM: Sentence: 'a small walkway with a microwave and fridge and a door'. Count the number of vowels in the given sentence.

SOLUTION:
17