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 baseball player and a catcher at a baseball game'. Count the number of consonants in the given sentence.
Example Output: 24

Example Input: Sentence: 'a dog is laying on a blanket and relaxing'. Count the number of consonants in the given sentence.
Example Output: 20

Example Input: Sentence: 'a bench that is covered and standing in snow'. Count the number of vowels in the given sentence.
Example Output:
12