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