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