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