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