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 pretty young lady greeting a zebra at a zoo'. Count the number of consonants in the given sentence.
answer:
21


question:
Sentence: 'a man about to take a swing at a tennis ball'. Count the number of vowels in the given sentence.
answer:
15


question:
Sentence: 'a train is parked at a train station in green area'. Count the number of vowels in the given sentence.
answer:

19