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 man swinging a racquet in front of a crowd'. Count the number of consonants in the given sentence.

SOLUTION: 22

PROBLEM: Sentence: 'a train with several cars is going around a corner'. Count the number of consonants in the given sentence.

SOLUTION: 24

PROBLEM: Sentence: 'an assortment of meats, vegetables and bread on a plate'. Count the number of vowels in the given sentence.

SOLUTION:
18