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