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