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 pizza sitting on a table near a glass and a candle'. Count the number of vowels in the given sentence.
Example Output: 17

Example Input: Sentence: 'there are many kites that are being flown over the beach'. Count the number of vowels in the given sentence.
Example Output: 18

Example Input: Sentence: 'a batter stands in the swinging position during a baseball game'. Count the number of vowels in the given sentence.
Example Output:
20