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