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 pole with a two street signs and a stop sign mounted to a pole'. Count the number of consonants in the given sentence.
Example Output: 30

Example Input: Sentence: 'two zebras that are standing in the grass'. Count the number of vowels in the given sentence.
Example Output: 11

Example Input: Sentence: 'a photo with many buildings off of a street with trucks parked in front'. Count the number of vowels in the given sentence.
Example Output:
19