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 man holding a tennis racquet on a tennis court'. Count the number of consonants in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'an image of a bathroom scene with a toilet and sink'. Count the number of vowels in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'a small kitchen with a lot of clutter on the counters'. Count the number of vowels in the given sentence.

Ex Output:

15