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 red and white no parking sign stands slanted near some trees'. Count the number of consonants in the given sentence.
Example Output: 33

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 very happy woman holds up a bunch of green bananas'. Count the number of vowels in the given sentence.
Example Output:
15