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.

Example Input: Sentence: 'a photo of a train on a bridge above a river'. Count the number of vowels in the given sentence.
Example Output: 17

Example Input: Sentence: 'a black cat is sitting near a mirror and a picture'. Count the number of consonants in the given sentence.
Example Output: 24

Example Input: Sentence: 'a woman sits at a wine tasting trying to decide which one to serve at her event'. Count the number of consonants in the given sentence.
Example Output:
38

