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