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 table is laid out with several different doughnuts and pastries'. Count the number of vowels in the given sentence.
Example Output: 22

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: 'several people sitting at a table that has a pizza on it'. Count the number of vowels in the given sentence.
Example Output:
19