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