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