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 cat that is half in a toilet'. Count the number of vowels in the given sentence.
answer:
10


question:
Sentence: 'two buses side by side while entering an intersection'. Count the number of vowels in the given sentence.
answer:
18


question:
Sentence: 'two boys in the middle of  a river riding elephants'. Count the number of vowels in the given sentence.
answer:

15