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: 'there is a sandwich and a bowl of food on a white plate'. Count the number of vowels in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'two people playing with an interactive gaming unit, in a living room'. Count the number of vowels in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'black cat stretched out on a light brown sofa'. Count the number of vowels in the given sentence.

Ex Output:

12