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