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: 'an large train pulling many cars of green containers'. Count the number of vowels in the given sentence.
Example Output: 16

Example Input: Sentence: 'a bathroom that appears toe be very small and cluttered'. Count the number of consonants in the given sentence.
Example Output: 29

Example Input: Sentence: 'two men in coats and ties posing for a picture'. Count the number of vowels in the given sentence.
Example Output:
15