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