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