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