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.

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


[Q]: Sentence: 'a man riding on the back of a horse'. Count the number of vowels in the given sentence.
[A]: 11


[Q]: Sentence: 'a small boy holding a slice of pizza while sitting on a couch'. Count the number of vowels in the given sentence.
[A]:
19