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: 'scene of many players on a baseball diamond during a game'. Count the number of consonants in the given sentence.
Example Output: 28

Example Input: Sentence: 'a lady that is holding a couple of hotdogs'. Count the number of vowels in the given sentence.
Example Output: 13

Example Input: Sentence: 'the boat is taking a tour on the river in the city'. Count the number of vowels in the given sentence.
Example Output:
16