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.

[EX Q]: Sentence: 'a pretty young lady greeting a zebra at a zoo'. Count the number of consonants in the given sentence.
[EX A]: 21

[EX Q]: Sentence: 'a glass of guinness beer and a teddy bear on a table'. Count the number of vowels in the given sentence.
[EX A]: 17

[EX Q]: Sentence: 'a horse standing in a grassy field with trees'. Count the number of consonants in the given sentence.
[EX A]:
24