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