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