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