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 playing with a dog in a field with a frisbee'. Count the number of vowels in the given sentence.
Example Output: 17

Example Input: Sentence: 'a boat with a man fishing on it on a lake'. Count the number of consonants in the given sentence.
Example Output: 17

Example Input: Sentence: 'a large commercial plane parked on the runway'. Count the number of vowels in the given sentence.
Example Output:
15