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