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