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