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