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 police officer is standing on a street corner'. Count the number of vowels in the given sentence.
answer:
16


question:
Sentence: 'a military grade jets flies through clear skies'. Count the number of vowels in the given sentence.
answer:
15


question:
Sentence: 'a truck with a police sticker is shown in front of a building'. Count the number of vowels in the given sentence.
answer:

18