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