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 pretty young lady greeting a zebra at a zoo'. Count the number of consonants in the given sentence.

SOLUTION: 21

PROBLEM: Sentence: 'this old washed out photo shows a couple of people with several horses in front of a silo and barn'. Count the number of vowels in the given sentence.

SOLUTION: 31

PROBLEM: Sentence: 'different fruit in the produce section of the grocery store'. Count the number of consonants in the given sentence.

SOLUTION:
31