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