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