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