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