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 pretty young lady greeting a zebra at a zoo'. Count the number of consonants in the given sentence.
21

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

Sentence: 'man in yellow jacket standing next to a rowboat'. Count the number of consonants in the given sentence.

25