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 person in yellow pants in on a snowboard'. Count the number of vowels in the given sentence.
Example Output: 13

Example Input: Sentence: 'a little girl stands on a tennis court holding a tennis racket'. Count the number of consonants in the given sentence.
Example Output: 33

Example Input: Sentence: 'a man sitting on a bench playing the guitar'. Count the number of consonants in the given sentence.
Example Output:
22