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