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