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