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: 'some boys are wearing green and red vests and ties'. Count the number of vowels in the given sentence.
answer:
16


question:
Sentence: 'cars are waiting for a train to pass in a city intersection'. Count the number of consonants in the given sentence.
answer:
28


question:
Sentence: 'a train that is traveling down some railroad tracks'. Count the number of vowels in the given sentence.
answer:

16