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