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