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