instruction:
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.
question:
Sentence: 'a vase with unopened flowers in ice'. Count the number of vowels in the given sentence.
answer:
13


question:
Sentence: 'motorcyclists riding in separate lane from regular city traffic'. Count the number of vowels in the given sentence.
answer:
19


question:
Sentence: 'a yellow and blue hydrant situated on a city sidewalk'. Count the number of vowels in the given sentence.
answer:

17