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