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