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