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