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