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