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