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 with a umbrella on a train track'. Count the number of vowels in the given sentence.
answer:
13


question:
Sentence: 'a broken park bench in the middle of a grassy lawn'. Count the number of consonants in the given sentence.
answer:
27


question:
Sentence: 'the man is trying to play a game of tennis on the court'. Count the number of vowels in the given sentence.
answer:

16