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