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