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