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