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