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