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