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