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