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