Your goal is to find the secret four-color code. The following colors are possible: brown, black, red, orange, pink, blue.
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', 'blue', 'black', 'orange']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['black', 'brown', 'red', 'black']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['black', 'orange', 'red', 'brown']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
black, red, pink, blue red, brown, orange, black orange, brown, blue, orange orange, blue, orange, red