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