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