Question: How to make a rabbit cage physically cozy for the rabbits?

  Options: 
 A. Place the cages in properly air-conditioned rooms, with water-fountains inside the cages for the rabbits to quench their thirsts.
 B. Make sure the walls of the cage are nets for free air-flow, the placement of the cage isn't directly on the sun nor in the dark and to fill the inside of the cages with hay for cushion.
Answer: B