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.

Sentence: 'a cyclist squats beside a bull on a grassy hillside'. Count the number of vowels in the given sentence.
15

Sentence: 'a photo of a train on a bridge above a river'. Count the number of vowels in the given sentence.
17

Sentence: 'a mascot stands just around the corner of a building'. Count the number of consonants in the given sentence.

27