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