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