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 train passing through a crossing gate and a kid'. Count the number of consonants in the given sentence.
Example Output: 25

Example Input: Sentence: 'a bench with the words oak bench just you on it'. Count the number of vowels in the given sentence.
Example Output: 13

Example Input: Sentence: 'a man using a blender in an industrial kitchen'. Count the number of vowels in the given sentence.
Example Output:
15