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: 'the door on a small fridge is open'. Count the number of consonants in the given sentence.
[A]: 16


[Q]: Sentence: 'a little kitten playing on a scratching mat'. Count the number of consonants in the given sentence.
[A]: 24


[Q]: Sentence: 'a seagull is sitting on top of a concrete wall'. Count the number of vowels in the given sentence.
[A]:
15