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