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