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