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