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