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: 'two men standing wearing tuxedos and one man writing something'. Count the number of vowels in the given sentence.

Ex Output:
19

Ex Input:
Sentence: 'a man gives children food to feed an elephant'. Count the number of consonants in the given sentence.

Ex Output:
22

Ex Input:
Sentence: 'a young child catching a large red frisbee on a sidewalk'. Count the number of vowels in the given sentence.

Ex Output:
18