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.

[EX Q]: Sentence: 'a cat is sitting on the floor and watching television'. Count the number of consonants in the given sentence.
[EX A]: 27

[EX Q]: Sentence: 'a cat sleeping on a bed next to a window in a room'. Count the number of consonants in the given sentence.
[EX A]: 21

[EX Q]: Sentence: 'a parrot is sitting on a branch above a river'. Count the number of consonants in the given sentence.
[EX A]:
21