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