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