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