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 holding up a snowboard with the word "source" written on it'. Count the number of consonants in the given sentence.
[EX A]: 33

[EX Q]: Sentence: 'a man and a woman with smiles behind tennis racquets'. Count the number of vowels in the given sentence.
[EX A]: 16

[EX Q]: Sentence: 'two horses leaning their heads over a metal fence'. Count the number of vowels in the given sentence.
[EX A]:
17