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