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 man working in a restaurant slicing pizza'. Count the number of vowels in the given sentence.

Ex Output:
14

Ex Input:
Sentence: 'a woman tossing a frisbee on a sandy beach'. Count the number of consonants in the given sentence.

Ex Output:
20

Ex Input:
Sentence: 'a bathroom counter with mirror and a container'. Count the number of vowels in the given sentence.

Ex Output:
16