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