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