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