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