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.

[Q]: Sentence: 'a couple of vases that are on top of a table'. Count the number of vowels in the given sentence.
[A]: 16


[Q]: Sentence: 'there is a broken toilet in the street'. Count the number of vowels in the given sentence.
[A]: 13


[Q]: Sentence: 'a herd of sheep walking across a green field'. Count the number of vowels in the given sentence.
[A]:
14