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