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: 'pastries and coffee on a plastic tray on a table'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'a young woman is hugging a tall man in a big room'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'a large truck moving down the road '. Count the number of consonants in the given sentence.
Example Output:
18