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 cat that is laying down on a couch'. Count the number of consonants in the given sentence.
Example Output: 17

Example Input: Sentence: 'a small child sitting on some bedding'. Count the number of consonants in the given sentence.
Example Output: 21

Example Input: Sentence: 'a beverage and some food are sitting on a wooden table'. Count the number of vowels in the given sentence.
Example Output:
21