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