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