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