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