Why shouldn’t cats be kept indoors?

they are suppose too well some cats.

Explanation:

Indoor Cats Are not a Danger to Wildlife

Let's face it; cats are predators, and left to their own devices outdoors, will eventually chase and kill birds, rabbits, and other small wildlife. Most of us would rather not see our cats cast in a killer role, and keeping them indoors will help protect wildlife to some degree

keep the tip

replace   c   with   a   and simplify.

a = c , b = a, q = n , 2 , a = c , 900 b= a , 700 , q = n , 600 , 2 = b o t h , b = a , q = n