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