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