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 girl laying on a yellow surfboard and riding over a wave'. Count the number of consonants in the given sentence.
Example Output: 28

Example Input: Sentence: 'a close up of a person holding a bunch of small bananas'. Count the number of vowels in the given sentence.
Example Output: 17

Example Input: Sentence: 'a woman is walking near the clock in the middle of a transit station'. Count the number of vowels in the given sentence.
Example Output:
21