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