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