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