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