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