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