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: 'there is a man standing on the train'. Count the number of consonants in the given sentence.
answer:
18


question:
Sentence: 'a jockey riding a horse in a race with birds flying next to it'. Count the number of vowels in the given sentence.
answer:
18


question:
Sentence: 'a duck in the middle of still water'. Count the number of consonants in the given sentence.
answer:

18