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