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 man sitting on a bench in front of a boat'. Count the number of vowels in the given sentence.
answer:
13


question:
Sentence: 'there are three computers on the desk, two of which are turned on'. Count the number of consonants in the given sentence.
answer:
32


question:
Sentence: 'elderly people standing on a tennis court and taking pictures'. Count the number of vowels in the given sentence.
answer:

19