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 wooden board with many pieces of food on the top'. Count the number of vowels in the given sentence.
Example Output: 17

Example Input: Sentence: 'there is a man standing on the train'. Count the number of consonants in the given sentence.
Example Output: 18

Example Input: Sentence: 'a plate of broccoli with slices of been on top of it'. Count the number of consonants in the given sentence.
Example Output:
24