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