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