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