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