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