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: 'many people on some grass and some are flying kites'. Count the number of consonants in the given sentence.

SOLUTION: 26

PROBLEM: Sentence: 'two cows relax and graze in a large grassy pasture'. Count the number of consonants in the given sentence.

SOLUTION: 26

PROBLEM: Sentence: 'a large brick building has a clock at the top'. Count the number of vowels in the given sentence.

SOLUTION:
13