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