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