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