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