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