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