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