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