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