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


[Q]: Sentence: 'a baby boy with a banana in his mouth'. Count the number of consonants in the given sentence.
[A]: 17


[Q]: Sentence: 'a couple of horses standing next to each other'. Count the number of vowels in the given sentence.
[A]:
15