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