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