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