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