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