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