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