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