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 stop sign covered with snow in a snowstorm'. Count the number of consonants in the given sentence.
Example Output: 24

Example Input: Sentence: 'a meal of a peanut butter and jelly sandwich with poprocks mixed in'. Count the number of vowels in the given sentence.
Example Output: 20

Example Input: Sentence: 'a snowy area outside of a parking lot'. Count the number of consonants in the given sentence.
Example Output:
16