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 little baby is sitting in a baseball glove'. Count the number of consonants in the given sentence.
Example Output: 22

Example Input: Sentence: 'there is a picture guide to making chocolate cake'. Count the number of consonants in the given sentence.
Example Output: 22

Example Input: Sentence: 'six guys in the snow, strapping on their snow boards'. Count the number of consonants in the given sentence.
Example Output:
29