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 sink and a stove in a small kitchen'. Count the number of vowels in the given sentence.
Example Output: 11

Example Input: Sentence: 'a street with people and a car and a fire hydrant'. Count the number of consonants in the given sentence.
Example Output: 24

Example Input: Sentence: 'a polar bear dives down into the water in a zoo enclosure'. Count the number of consonants in the given sentence.
Example Output:
25