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: 'large white bird flying above the water on a beach'. Count the number of vowels in the given sentence.

Ex Output:
16

Ex Input:
Sentence: 'a dog sitting in a piece of luggage on a floor'. Count the number of vowels in the given sentence.

Ex Output:
17

Ex Input:
Sentence: 'a laptop and a computer are on a desk together'. Count the number of vowels in the given sentence.

Ex Output:
16