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 herd of sheep is on the side of the road and a bus drives through'. Count the number of vowels in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'a desktop computer sitting on top of a wooden desk'. Count the number of vowels in the given sentence.

SOLUTION:
16