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