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 brown and white dog chewing on a plastic bottle'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'there are three computers on the desk, two of which are turned on'. Count the number of consonants in the given sentence.

Ex Output:
32


Ex Input:
Sentence: 'a train sitting on train tracks next to a  small rural road'. Count the number of vowels in the given sentence.

Ex Output:

17