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 bench with the words oak bench just you on it'. Count the number of vowels in the given sentence.

Ex Output:
13

Ex Input:
Sentence: 'a view of living room with brown sofas, with the kitchen in the background'. Count the number of vowels in the given sentence.

Ex Output:
21

Ex Input:
Sentence: 'two yellow trucks and and small yellow car on a street'. Count the number of consonants in the given sentence.

Ex Output:
30