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