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 fedex truck sitting in the street with no driver'. Count the number of consonants in the given sentence.
Example Output: 27

Example Input: Sentence: 'a couple of giraffe standing next to each other'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'foil covers a pipe near a small toilet'. Count the number of vowels in the given sentence.
Example Output:
14