instruction:
In this task, you are given a question. You have to answer the question based on your information.
question:
McKenzie is an unincorporated community in Allegany County, Maryland, it is directly across from which diverse industrial complex, located in Rocket Center, West Virginia?
answer:
Allegany Ballistics Laboratory


question:
Are Mikhail Kalatozov and Pierre Chenal both film directors ?
answer:
yes


question:
Which event took place first, Operation Undertone or The Battle of the Ch'ongch'on River?
answer:

Operation Undertone