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