How to send the values ​​of three elements to the neural network?

Question

Python

Hello, I have a question about neural networks.
Let's say there is a neural network that distinguishes cats from dogs. For her training, a lot of pictures are allocated. Then, when we pass a picture to the neural network, it determines whether it is a cat or a dog.
And if we have 3 pictures, and we need to determine which of these looks more like a dog? How can such an option be implemented?

Answer 1

Apart from the classification (0 - cat, 1 - dog), the network can also return the probability for each class (0:0.11, 1:0.88).
Feed the nets every picture. After that, take the one that has a higher probability of being assigned to a certain class.