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