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