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