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 Q]: Sentence: 'a man is serving pizza to a customer'. Count the number of consonants in the given sentence.
[EX A]: 17

[EX Q]: Sentence: 'a group of snowboarders in short sleeves on the slopes'. Count the number of consonants in the given sentence.
[EX A]: 28

[EX Q]: Sentence: 'a very large teddy bar in the display window of a store'. Count the number of vowels in the given sentence.
[EX A]:
16