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