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 woman on a green tennis court with a red and black tennis racket in her hand'. Count the number of consonants in the given sentence.
Example Output: 39

Example Input: Sentence: 'a bus is sitting parked under a roof'. Count the number of consonants in the given sentence.
Example Output: 17

Example Input: Sentence: 'people sit at a table with laptops and a typewriter'. Count the number of vowels in the given sentence.
Example Output:
16