Schrödinger's Riddle Committee

Schrödinger's Riddle:

A cat in a box has both a 50% chance of being alive and a 50% chance of being dead.

But what happens when the box is opened and the cat is found not to be dead, but actually a hamster?

Is it:

• a) A cat in a box that's not a cat?
• b) A hamster in a box that's not a hamster?
• c) Both a cat and a hamster at the same time?
• d) Neither a cat nor a hamster, but a philosophical conundrum?