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