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