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