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 wooden board with many pieces of food on the top'. Count the number of vowels in the given sentence.

Ex Output:
17

Ex Input:
Sentence: 'a cat rests its paw by the base of the wii paddle'. Count the number of vowels in the given sentence.

Ex Output:
14

Ex Input:
Sentence: 'a couple of giraffes and a bird in sanctuary'. Count the number of consonants in the given sentence.

Ex Output:
21