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