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