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