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: 'this picture looks  out from the kitchen blind onto the yard'. Count the number of consonants in the given sentence.
Example Output: 32

Example Input: Sentence: 'two cows relax and graze in a large grassy pasture'. Count the number of consonants in the given sentence.
Example Output: 26

Example Input: Sentence: 'a skier wearing blue is doing a jump and a cable car'. Count the number of vowels in the given sentence.
Example Output:
18