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