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