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 jetliner sitting on top of an airport tarmac'. Count the number of vowels in the given sentence.
Example Output: 15

Example Input: Sentence: 'a woman with a green striped umbrella crosses a street past a brightly painted truck'. Count the number of vowels in the given sentence.
Example Output: 24

Example Input: Sentence: 'dog laying in a doggy bed on the chair'. Count the number of consonants in the given sentence.
Example Output:
19