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