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