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: 'there is a man standing on the train'. Count the number of consonants in the given sentence.
[A]: 18


[Q]: Sentence: 'a couple of computers are on top of a desk'. Count the number of consonants in the given sentence.
[A]: 18


[Q]: Sentence: 'a man stands next to a variety of luggage on a belt'. Count the number of consonants in the given sentence.
[A]:
24