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