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