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