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: 'group of horses and their riders traveling through a path in forest'. Count the number of vowels in the given sentence.
20

Sentence: 'a white pizza with cheese and mushrooms and garnish'. Count the number of vowels in the given sentence.
16

Sentence: 'an observer watches a snowboarder high above the ground'. Count the number of vowels in the given sentence.

18