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