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 is in the snow on a board'. Count the number of consonants in the given sentence.
Example Output: 15

Example Input: Sentence: 'a couple of women are playing video games together'. Count the number of vowels in the given sentence.
Example Output: 19

Example Input: Sentence: 'she is well balanced on her new surfboard'. Count the number of consonants in the given sentence.
Example Output:
22