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