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