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: 'the woman is happy to be standing in the kitchen'. Count the number of vowels in the given sentence.
Example Output: 13

Example Input: Sentence: 'a man sitting on a bench in front of a boat'. Count the number of vowels in the given sentence.
Example Output: 13

Example Input: Sentence: 'a public restroom which is in bad order with no lighting'. Count the number of consonants in the given sentence.
Example Output:
30