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