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: 'people of various ages play tennis, hold tennis balls and swing their racquets'. Count the number of consonants in the given sentence.
Example Output: 41

Example Input: Sentence: 'a boy stares at a pizza with a birthday candle in it'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'there is a large quantity of people crossing the street in the cross walk'. Count the number of vowels in the given sentence.
Example Output:
22