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