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