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