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