instruction:
In this task, you are given a question. You have to answer the question based on your information.
question:
What is the medium sized marine animal that is part of the order of placental mammals?
answer:
Dugong


question:
Heaven's Gate comes from the sonnet that was part of what sequence?
answer:
Fair Youth


question:
Challenger 1 was superseded by a battle tank designed and built by which company ?
answer:
Vickers Defence Systems