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