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