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