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