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