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