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