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