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 guy in a white shirt, jeans, and a baseball hat flipping on a skate board'. Count the number of vowels in the given sentence.
Example Output: 23

Example Input: Sentence: 'a pizza cooking in an oven and its covered with tin foil'. Count the number of consonants in the given sentence.
Example Output: 26

Example Input: Sentence: 'a bear walking on all fours near a fence'. Count the number of consonants in the given sentence.
Example Output:
18