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: 'cars are waiting for a train to pass in a city intersection'. Count the number of consonants in the given sentence.
Example Output: 28

Example Input: Sentence: 'a group of kids pose in front of a pizza'. Count the number of consonants in the given sentence.
Example Output: 18

Example Input: Sentence: 'an industrial kitchen with chefs preparing meals in it'. Count the number of consonants in the given sentence.
Example Output:
30