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