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 Input:
Sentence: 'a woman walking past a fence with animals on it'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'a broken park bench in the middle of a grassy lawn'. Count the number of consonants in the given sentence.

Ex Output:
27


Ex Input:
Sentence: 'a giraffe in a grassy tree covered forest'. Count the number of vowels in the given sentence.

Ex Output:

14