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