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 boat that is sitting inside of the water'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'two people are standing next to a giraffe'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a dog that is sniffing a piece of cake'. Count the number of vowels in the given sentence.

Ex Output:

13