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