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