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: 'little boy stands atop the flatbed truck parked in the field'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'a small child sitting in front of a pizza with a cutter in front'. Count the number of consonants in the given sentence.
Example Output: 34

Example Input: Sentence: 'a guy in jeans does a jumping trick on his skateboard'. Count the number of vowels in the given sentence.
Example Output:
17