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