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: 'the sandwiches on the picnic blanket are cut in half'. Count the number of vowels in the given sentence.
[EX A]: 15

[EX Q]: Sentence: 'a man working in a restaurant slicing pizza'. Count the number of vowels in the given sentence.
[EX A]: 14

[EX Q]: Sentence: 'a person is smiling and looking at his sandwich'. Count the number of vowels in the given sentence.
[EX A]:
14