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