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 baby sitting on a bed beside a large and small stuffed bear'. Count the number of vowels in the given sentence.
Example Output: 19

Example Input: Sentence: 'a large jetliner flying through a sky filled with clouds'. Count the number of vowels in the given sentence.
Example Output: 15

Example Input: Sentence: 'a woman holding a tennis racquet on a tennis court'. Count the number of consonants in the given sentence.
Example Output:
24