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