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 vase with unopened flowers in ice'. Count the number of vowels in the given sentence.
[A]: 13


[Q]: Sentence: 'some people in line at a small stand'. Count the number of consonants in the given sentence.
[A]: 17


[Q]: Sentence: 'a clock on the top of a building near the roof'. Count the number of consonants in the given sentence.
[A]:
21