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