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