Your goal is to find the secret four-color code. The following colors are possible: purple, pink, orange, yellow, 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: ['pink', 'orange', 'blue', 'purple']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['purple', 'purple', 'pink', 'yellow']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['orange', 'yellow', 'purple', 'pink']. 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, yellow, brown, orange yellow, pink, orange, purple yellow, brown, pink, brown yellow, blue, purple, pink