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 standing on a sidewalk holding an umbrella'. Count the number of consonants in the given sentence.
Example Output: 26

Example Input: Sentence: 'a pair of scissors, a tape measure, and a spool of thread sitting on a piece of folded fabric'. Count the number of consonants in the given sentence.
Example Output: 41

Example Input: Sentence: 'the lady sitting on the park bench watches porn on her cell phone'. Count the number of vowels in the given sentence.
Example Output:
16