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