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