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