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