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: 'people stand and sit in a square in a european city'. Count the number of vowels in the given sentence.
[A]: 19


[Q]: Sentence: 'a baseball team meets at the pitcher's mound to talk'. Count the number of consonants in the given sentence.
[A]: 26


[Q]: Sentence: 'a train that is sitting on the tracks near a station'. Count the number of vowels in the given sentence.
[A]:
16