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