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 couple of fighter jets fly through the air'. Count the number of vowels in the given sentence.
13

Sentence: 'a small child sitting in front of a pizza with a cutter in front'. Count the number of consonants in the given sentence.
34

Sentence: 'a red and white fire hydrant stands on a street'. Count the number of vowels in the given sentence.

13