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