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