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: 'people in the ocean holding onto kites, while they are on boards'. Count the number of vowels in the given sentence.
Example Output: 22

Example Input: Sentence: 'a runner and catcher during a baseball game'. Count the number of vowels in the given sentence.
Example Output: 14

Example Input: Sentence: 'there is a picture guide to making chocolate cake'. Count the number of consonants in the given sentence.
Example Output:
22