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