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