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 man sitting at a table and cutting into a pizza'. Count the number of consonants in the given sentence.
Example Output: 23

Example Input: Sentence: 'a group of new york mets who have trapped an opposing player in a rundown'. Count the number of consonants in the given sentence.
Example Output: 37

Example Input: Sentence: 'convention with people standing at table with refreshments'. Count the number of consonants in the given sentence.
Example Output:
34