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 young man with a snowboard while a crowd looks on'. Count the number of consonants in the given sentence.

Ex Output:
25

Ex Input:
Sentence: 'a red and white no parking sign stands slanted near some trees'. Count the number of consonants in the given sentence.

Ex Output:
33

Ex Input:
Sentence: 'at least three cats are laying together in someone's bed'. Count the number of vowels in the given sentence.

Ex Output:
19