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