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