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