input: Please answer the following: Determine the topic of the question-answer pair. Question: "what is the official language of america??"; Answer: "The most commonly used language is English ."? Topic:
++++++++++
output: Languages of the United States

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what is a rock quarry?"; Answer: "A quarry is a type of open-pit mine from which rock or minerals are extracted."? Topic:
++++++++++
output: Quarry

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what is grist mill stone?"; Answer: "A gristmill (also: grist mill, corn mill or flour mill) grinds grain into flour ."? Topic:
++++++++++
output: Gristmill

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what states does interstate 70 travel through?"; Answer: "Interstate 70 (I-70) is an Interstate Highway in the United States that runs from Interstate 15 near Cove Fort, Utah , to a Park and Ride near Baltimore, Maryland ."? Topic:
++++++++++
output:
Interstate 70