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