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