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 model plane is flying through a cloudy sky'. Count the number of consonants in the given sentence.
Example Output: 24

Example Input: Sentence: 'a table is laid out with several different doughnuts and pastries'. Count the number of vowels in the given sentence.
Example Output: 22

Example Input: Sentence: 'a zebra and a giraffe eating from the grass and trees'. Count the number of consonants in the given sentence.
Example Output:
26