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