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