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 jockey on a horse running down a beach'. Count the number of vowels in the given sentence.
13

Sentence: 'a baseball team meets at the pitcher's mound to talk'. Count the number of consonants in the given sentence.
26

Sentence: 'a number of zebras in a field with trees in the background'. Count the number of consonants in the given sentence.

29