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