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