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