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