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 smiling young man sits in a chair with ties on his shoulder'. Count the number of vowels in the given sentence.
[EX A]: 19

[EX Q]: Sentence: 'a group of people standing around a tv'. Count the number of vowels in the given sentence.
[EX A]: 13

[EX Q]: Sentence: 'a group of sheep with a donkey walking in a parking lot'. Count the number of vowels in the given sentence.
[EX A]:
17