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