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: 'this old washed out photo shows a couple of people with several horses in front of a silo and barn'. Count the number of vowels in the given sentence.
31

Sentence: 'a baby sitting on a bed beside a large and small stuffed bear'. Count the number of vowels in the given sentence.
19

Sentence: 'a public transit bus on a city street'. Count the number of vowels in the given sentence.

11