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 doughnut sitting next to a cup of coffee at restaurant'. Count the number of consonants in the given sentence.
[EX A]: 27

[EX Q]: Sentence: 'convention with people standing at table with refreshments'. Count the number of vowels in the given sentence.
[EX A]: 17

[EX Q]: Sentence: 'a paneled van and car sit at intersection by a large round object'. Count the number of vowels in the given sentence.
[EX A]:
21