Your goal is to find the secret four-color code. The following colors are possible: brown, pink, red, orange, blue, black.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['brown', 'black', 'blue', 'pink']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['pink', 'red', 'black', 'red']. Hint: three colors are in the correct positions.
Guess: ['brown', 'pink', 'black', 'orange']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
A B C D
pink, red, black, orange orange, black, pink, blue orange, brown, orange, orange red, red, red, brown