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