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