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