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: 'this train car features a variety of colors and carries passengers'. Count the number of vowels in the given sentence.
Example Output: 22

Example Input: Sentence: 'a woman sitting on the ground next to two dogs'. Count the number of consonants in the given sentence.
Example Output:
24