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