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 street sign on the edge of a street'. Count the number of vowels in the given sentence.
[A]: 12


[Q]: Sentence: 'there is a picture guide to making chocolate cake'. Count the number of consonants in the given sentence.
[A]: 22


[Q]: Sentence: 'a person cross country skiing on a winters day'. Count the number of vowels in the given sentence.
[A]:
13