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