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