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