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