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: 'some children's toys are sitting by a baby carriage'. Count the number of consonants in the given sentence.
Example Output: 27

Example Input: Sentence: 'large giraffe standing alone in front of a wooded area'. Count the number of vowels in the given sentence.
Example Output: 20

Example Input: Sentence: 'a family occupying a house kitchen with food and condiments sitting out'. Count the number of vowels in the given sentence.
Example Output:
23