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