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