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