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 person skiing down a steep snowy hill'. Count the number of vowels in the given sentence.
answer:
11


question:
Sentence: 'red tow truck with tilted lift next to busy roadway'. Count the number of vowels in the given sentence.
answer:
13


question:
Sentence: 'an unusual clock fits neatly on a bookshelf among the books'. Count the number of vowels in the given sentence.
answer:

19