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