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