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