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