You are given an original reference as well as a system generated reference. Your task is to judge the naturaleness of the system generated reference. If the utterance could have been produced by a native speaker output 1, else output 0.

Example Input: System Reference: unfortunately 0 restaurants serve afghan for lunch.
Original Reference: there are 0 restaurant -s that are good for lunch and serve afghan food.
Example Output: 1

Example Input: System Reference: thank you the fairmont san francisco allows dogs.
Original Reference: the fairmont san francisco is a hotel that allows dogs.
Example Output: 0

Example Input: System Reference: red door cafe address is 1608 bush street, and i do not know their food type.
Original Reference: the address of the red door cafe is 1608 bush street and the food type is unknown to me, sorry.
Example Output:
1