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: 'an empty airport lobby with a tv and yellow chairs'. Count the number of vowels in the given sentence.
answer:
13


question:
Sentence: 'people stand and sit in a square in a european city'. Count the number of vowels in the given sentence.
answer:
19


question:
Sentence: 'a pizza and coke from a fast food place'. Count the number of vowels in the given sentence.
answer:

13