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