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