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