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