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