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