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