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 bird with a unique black and white beak next to other birds'. Count the number of vowels in the given sentence.
Example Output: 19

Example Input: Sentence: 'baseball players playing a game in a stadium'. Count the number of vowels in the given sentence.
Example Output: 15

Example Input: Sentence: 'a woman in white shirt on bed reading a book'. Count the number of consonants in the given sentence.
Example Output:
20