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