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