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: 'three black cows standing next to each other on a field'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'a line of skiiers on the slopes and their skiis'. Count the number of consonants in the given sentence.
Example Output:
22