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