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